Page 2 - SAFETY; WitH, coulD Result in peRsonal inJuRY oR DeatH.; NOTICE TO USERS OF THIS MANUAL
SAFETY Throughout this publication, "DANGER!" and "CAUTION!" blocks are used to alert the mechanic to special instructions concerning a particular service or operation that might be hazardous if performed incorrectly or carelessly. PAY CLOSE ATTENTION TO THEM. * DangeR! unDeR tHis He...
Page 3 - table of contents; gENERATOR PROdUCES ZERO VOLTAgE
table of contents Page 1 saFetY .................. insiDe FRont coveR (iFc) NOTICE TO USERS OF THIS MANUAL ..............................IFCREPLACEMENT PARTS .....................................................IFC table oF contents ...................................... 1-2 section 1: geneRatoR Fun...
Page 4 - CONdITIONS AFFECTINg STARTER MOTOR
table of contents Page 2 section 6: Diagnostic tests ...................................... 37-65 INTROdUCTION .............................................................. 37TEST 1 - CHECK NO-LOAd VOLTAgE ANd FREqUENCy .. 37TEST 2 - CHECK MAIN CIRCUIT bREAKER ........................ 37TEST 3- TES...
Page 5 - MAgNETISM; NOTE: The “right hand rule” is based on the “cur-; ELECTROMAgNETIC INdUCTION; Figure 1-3. – A Simple Revolving Field Generator
section 1 geneRatoR FunDaMentals MAgNETISM Magnetism can be used to produce electricity and electricity can be used to produce magnetism.Much about magnetism cannot be explained by our present knowledge. However, there are certain pat- terns of behavior that are known. Application of these behavior ...
Page 6 - A SIMPLE AC gENERATOR; The 2-pole ROTOR must be turned at 3600 rpm to produce; Figure 1-5. – Alternating Current Sine Wave; A MORE SOPHISTICATEd AC gENERATOR; Figure 1-6. – A More Sophisticated Generator
section 1geneRatoR FunDaMentals A SIMPLE AC gENERATOR Figure 1-4 shows a very simple AC Generator. The generator consists of a rotating magnetic field called a ROTOR and a stationary coil of wire called a STATOR. The ROTOR is a permanent magnet which consists of a SOUTH magnetic pole and a NORTH mag...
Page 7 - NOTE: The Voltage Regulator also changes the
section 1 geneRatoR FunDaMentals 2. During startup, printed circuit board action controls the START/ STOP RELAY to deliver battery voltage to the ROTOR, via the brushes and slip rings. a. The battery voltage is called “Field Boost”.b. Flow of direct current through the ROTOR increases the strength o...
Page 9 - MEASURINg CURRENT; NOTE: If the physical size of the conductor or; MEASURINg RESISTANCE
section 2 MeasuRing electRicitY engine speed governor. For models rated 60 Hertz, the governor is generally set to maintain a no-load fre- quency of about 62 Hertz with a corresponding output voltage of about 124 volts AC line-to-neutral. Engine speed and frequency at no-load are set slightly high t...
Page 10 - ELECTRICAL UNITS; OHMS
section 2MeasuRing electRicitY Component testing may require a specific resis- tance value or a test for INFINITY or CONTINUITY. Infinity is an OPEN condition between two electrical points, which would read as no resistance on a VOM. Continuity is a CLOSED condition between two elec- trical points, ...
Page 11 - INTROdUCTION
section 3 DescRiption & coMponents INTROdUCTION The generator revolving field (rotor) is driven by an air-cooled engine at about 3600 rpm.The generator may be used to supply electrical power for the operation of 120 and/or 240 volts, 1-phase, 60 Hz, AC loads. ENgINE-gENERATOR dRIVE SYSTEM The ge...
Page 13 - kW and 15 kW Units
section 3 DescRiption & coMponents 2 162 Figure 3-5. – Excitation Circuit Breaker VOLTAGE REGULATOR:A typical Voltage Regulator is shown in Figure 3-6 (12.5 & 15 kW Units) or Figure 3-7 (17.5 kW Units). Unregulated AC output from the stator excitation winding is delivered to the regulator’s ...
Page 15 - INSULATION RESISTANCE; EXAMPLE: generator is rated at 120 volts AC.; RotoR MiniMuM insulation Resistance:; caution: before attempting to measure; STATOR INSULATION RESISTANCE TEST
section 3 DescRiption & coMponents The resulting direct current from the BCR is delivered to the 12 VDC receptacle, via Wire 13A, CB1, and Wire 15A. This receptacle allows the capability to recharge a 12 volt DC storage battery with provided battery charge cables. INSULATION RESISTANCE The insul...
Page 16 - Figure 3-10. – C1 Connector Pin Location Numbers
section 3DescRiption & coMponents or DPE winding, (c) a center tapped battery charge winding and (d) a 10 Amp center tapped batter y charge winding. Insulation tests of the stator con- sist of (a) testing all windings to ground, (b) testing between isolated windings, and (c) testing between para...
Page 17 - ROTOR INSULATION RESISTANCE TEST; caution: Do not use sprayed water to clean; dRYINg THE gENERATOR
section 3 DescRiption & coMponents 3. Repeat Step 1 at Pin Location 8 (Wire 55) and Stator Lead 11. For the following steps (4 through 6) an additional paper clip (or similar item) will be needed: 4. Insert a paper clip into Pin Location 3 (Wire 55A). Connect the red tester probe to the paper cl...
Page 18 - PRINTEd CIRCUIT bOARd; Stepper Motor Rotation; Note: J1 Connector is utilized for governor control.; bATTERY
section 4engine Dc contRol sYsteM PRINTEd CIRCUIT bOARd GENERAL:The printed board is responsible for cranking, startup, running and shutdown operations. The board intercon- nects with other components of the DC control system to turn them on and off at the proper times. It is pow- ered by fused 12 V...
Page 19 - CONTROL PANEL COMPONENT IdENTIFICATION
section 4 engine Dc contRol sYsteM Page 17 V O LT A G E REGUL AT OR TERMINAL BO ARD (TB1 ) TERMINAL BO ARD (TB2 ) ST AR T ST OP REL AY (SSR ) ST AR TER CONT A C TO R RELA Y (SCR ) IDLE CONT R O L TRANSFORMERS (ICT ) PRINTED CIRCUI T BO ARD 10 AMP FUSE (F1) LOCA TED IN REAR OF CONTR OL PA NE L DIODE ...
Page 21 - notes
Page 22 - No current flows through the circuit and the SSR is de-energized.
section 4engine Dc contRol sYsteM CIRCUIT CONdITION - REST: Battery voltage is supplied to components of the control system from the unit BATTERY via the RED battery cable connected to the contacts of the starter contactor (SC), wire 13, a 10 Amp fuse (F1), and Wire 15.Wire 13 is unfused battery sup...
Page 26 - = IDLE CONTROL TRANSFORMER OUTPUT
section 4engine Dc contRol sYsteM Page 24 VOLTAGE ELECTRONIC REGULATOR 11S 162 0 6 44S 4 6 5 4 3 2 1 BCR2 77A 15 66A 5 6 4 10 12 SSR 9 RESET RESET TEST TEST 18 IM2 SP2 IM1 SP1 PRINTED CIRCUIT BOARD CONTROL 12 10 11 9 2 7 8 6 4 5 3 J2 1 J1 15B 83 TR1 0 167 TR2 86 229 44S 11S ACTUATOR GOVERNOR 0 0 44C...
Page 28 - spark the engine will shutdown.
section 4engine Dc contRol sYsteM Page 26 VOLTAGE ELECTRONIC REGULATOR 11S 162 0 6 44S 4 6 5 4 3 2 1 BCR2 77A 15 66A 5 6 4 10 12 SSR 9 RESET RESET TEST TEST 18 IM2 SP2 IM1 SP1 PRINTED CIRCUIT BOARD CONTROL 12 10 11 9 2 7 8 6 4 5 3 J2 1 J1 15B 83 TR1 0 167 TR2 86 229 44S 11S ACTUATOR GOVERNOR 0 0 44C...
Page 30 - If Problem Involves AC Output; Problem 1 - Voltage & Frequency Are Both High or Low
The “Flow Char ts” in this section may be used in conjunction with the “Diagnostic Tests” of Section 6. Numbered tests in the Flow Char ts correspond to identically numbered tests of Section 6. Problems 1 through 5 apply to the AC generator only.Beginning with Problem 5, the engine DC control sys- t...
Page 32 - Problem 3 - Excessive Voltage/Frequency Droop When Load is Applied
section 5tRoublesHooting FloWcHaRts Page 30 TEST 4 - PERFORM FIXED EXCITATION / ROTOR AMP DRAW TEST 9 - TEST STATOR DPE WINDING CHECK VOLTMETER FUSES - VERIFY AMP METER FUNCTIONS INSULATION RESISTANCE TEST PAGE 14 INSULATION RESISTANCE TEST PAGE 13 TEST 14 - CHECK ROTOR ASSEMBLY REPAIR OR REPLACE RE...
Page 33 - Problem 4 - No Battery Charge Output; Problem 5 - No 10A Battery Charge Output
section 5 tRoublesHooting FloWcHaRts Page 31 TEST 17 - CHECK BATTERY CHARGE OUTPUT TEST 19 - CHECK BATTERY CHARGE RECTIFIER TEST 9 - TEST STATOR INSULATION RESISTANCE TEST PAGE 13 REPAIR OR REPLACE REPAIR OR REPLACE REPLACE FINISHED GOOD GOOD GOOD BAD BAD BAD BAD Problem 4 - No Battery Charge Output...
Page 34 - Problem 6 - Engine Will Not Crank
section 5tRoublesHooting FloWcHaRts Page 32 BAD REPAIR WIRING GOOD BAD TEST 21 - CHECK 10 AMP FUSE TEST 26 - CHECK STARTER CONTACTOR RELAY (SCR) TEST 27 - CHECK START-RUN-STOP SWITCH (SW1) GOOD TEST 28 - CHECK START-RUN-STOP SWITCH (SW1) WIRING TEST 22 - CHECK BATTERY & CABLES TEST 23 - CHECK VO...
Page 35 - Problem 7 - Engine Cranks But Will Not Start
section 5 tRoublesHooting FloWcHaRts Page 33 BAD BAD BAD BAD PULL OUT ADJUST AND RE-TEST REPAIR OR REPLACE FSS REPAIR OR REPLACE REPAIR OR REPLACE REPAIR OR REPLACE REPLACE REPLACE OFF OFF TURN ON ON TURN OFF REPLACE PRINTED CIRCUIT BOARD GOOD GOOD GOOD GOOD SPARK GOOD GOOD GOOD GOOD GOOD GOOD GOOD ...
Page 38 - Problem 11 - Unit Overspeeds
section 5tRoublesHooting FloWcHaRts Page 36 ON GOOD GOOD OFF BAD BAD TEST 1 - CHECK NO-LOAD VOLTAGE & FREQUENCY TEST 51 - CHECK WIRES 11S / 44S GO TO PROBLEM 2 REPAIR OR REPLACE CHECK TO SEE IF RED LED ON CIRCUIT BOARD IS “ ON” Problem 11 - Unit Overspeeds PRODUCING VOLTAGE REPLACE CIRCUIT BOARD...
Page 39 - Figure 6-1. – VOM Test Leads Connected to 50A; TEST 2 - CHECk MAIN CIRCUIT bREAkER
section 6 Diagnostic tests Page 37 INTROdUCTION The “Diagnostic Tests” in this chapter may be per- for med in conjunction with the “Flow Char ts” of Section 5. Test numbers in this chapter correspond to the numbered tests in the “Flow Charts”.Tests 1 through 19 are procedures Involving problems with...
Page 40 - Power, loss of governor control may occur caus-; REMOVED; Figure 6-10. – Jumper Lead From Wire 14 to Diode
00.00 C.B. 20/30A Figure 6-8. – 20/30 Amp Breaker Test Points TEST 3 - TEST EXCITATION CIRCUIT bREAkER PROCEDURE: 1. With the generator shut down for at least two minutes, locate the Excitation Circuit Breaker in the control panel. Disconnect wires from the breaker, to prevent interaction. 2. Set a ...
Page 41 - Number Locations
section 6 Diagnostic tests Page 39 9. Shutdown the generator. 10. Reconnect Wire 2 to the Excitation Circuit Breaker. 11. Connect one meter test lead to Wire 11S located in the six pin connector previously removed from the Voltage Regulator. Connect the other meter test lead to Wire 44S located in t...
Page 42 - TEST 5 - CHECk STEPPER MOTOR CONTROL; Seen From Above; Figure 6-4. – Six Pin Connector Wire Colors
TEST 5 - CHECk STEPPER MOTOR CONTROL PROCEDURE: 1. Remove air cleaner cover to access stepper motor. 2. Physically grab the throttle and verify the stepper motor, linkage and throttle do not bind in any way, if any binding is felt repair or replace components as needed. Some resistance should be fel...
Page 43 - TEST 6 - WIRE CONTINUITY; repair or replace the wires as needed. If continuity; TEST 7 - CHECk FIELd bOOST
section 6 Diagnostic tests Page 41 TERMINAL BLOCK (TB1) 12.00 86 15B 167 BLK 0 229 83 BLK TR2 TR1 Figure 6-5. – Testing Wire 15B TB1 J2 HARNESS CONNECTOR 00.00 86 15B 167 BLK 0 229 83 BLK TR2 TR1 J2-1 J2-12 MAKE SURE THE TEST PROBE CONNECTOR IS MAKING CONTACT WITH THE CONNECTOR. DOUBLE CHECK TO MAKE...
Page 44 - OL
WIRING DIAGRAM 30 86 87a 85 87 85 87a 30 86 87 16 15 17 13 16 Figure 6-13. – Starter Contactor Relay R1 D2 4 14 14 4 3.0 vdc Figure 6-14. – Testing Field Boost TEST 8 - dIOdE/RESISTOR PROCEDURE: 1. Set volt meter to the diode test range. 2. Disconnect the six pin connector from the Voltage Regulator...
Page 45 - readings may vary depending on ambient tempera-
section 6 Diagnostic tests Page 43 D2 4 14 WIRE 14 REMOVED 14 4 R1 25 ohm Figure 6-17. – Diode Test Step 9 10. Connect one meter test lead to the top terminal of the resistor (R1). Connect the other meter test lead to the ground terminal. INFINITY or an open condition should be measured. 11. Reconne...
Page 46 - TEST 10 - SENSINg LEAdS
12. Connect the meter test leads across Stator lead 2 (Pin 6) at the C1 connector female side and frame ground. Be careful not to damage the pin connectors with the test leads, use paper clips - do not force probes into connectors. See Figure 6-18. INFINITY should be read. 13. Connect the meter test...
Page 47 - TEST 11 - EXCITATION WIRINg
section 6 Diagnostic tests Page 45 TEST 11 - EXCITATION WIRINg PROCEDURE: 1. Set a voltmeter to measure resistance. 2. Disconnect Connector C1. See Page 17 for connector location. 3. Locate the male side of the connector located on the bottom of the control panel. See Figure 6-19. Connect one meter ...
Page 48 - TEST 14 - CHECk ROTOR ASSEMbLY; Set a voltmeter to measure resistance.; ROTOR RESISTANCE; Replace the Rotor if it fails the test.; FREqUENCY; If voltage and/or frequency drop excessively when the load is
section 6Diagnostic tests Page 46 BRUSHES Figure 6-21. – Brush Location 2. Remove Wire 4 from the positive (+) brush terminal. 3. Remove the ground wire (0) from the negative (-) brush. 4. Remove the brush holder, with brushes. 5. Inspect the brushes for excessive wear, damage, cracks, chip- ping, e...
Page 49 - TEST 17 - CHECk bATTERY CHARgE; ed to the 12 VdC panel receptacle and be charging; TEST 19 - CHECk bATTERY CHARgE
Page 47 section 6 Diagnostic tests 2. If load is within limits, but frequency and voltage still drop excessively, refer back to Flow Chart. TEST 17 - CHECk bATTERY CHARgE OUTPUT PROCEDURE: 1. Disconnect Wire 15 (center terminal) from the Battery Charge Rectifier 2 (BCR2), which is located under BCR1...
Page 50 - TEST 20 - CHECk 10 AMP CIRCUIT bREAkER; Fuse with an identical size fuse. If Fuse is good, refer
Short to Ground: 4. Set the VOM to measure resistance. Connect the positive (+) test lead to the case housing of the BCR. Connect the negative (-) test lead to an outer terminal. INFINITY should be mea-sured. Now connect the negative test lead to the BCR center terminal. INFINITY should be measured....
Page 51 - TEST 23 - CHECk VOLTAgE AT STARTER; STEP 1 TEST POINT; STEP 2 TEST POINT; TEST 25 - CHECk STARTER MOTOR; wires touching one another). Will be indicated by
section 6 Diagnostic tests Page 49 measure at the battery terminals during cranking. If battery voltage is below 11 volts DC, recharge/replace battery. If bat-tery or cables are still suspected, connect an alternate battery and cables to the generator and retest. 2. Use a battery hydrometer to test ...
Page 52 - Figure 6-30. – Check Pinion Gear Operation
3. A defective Starter Motor switch. 4. Broken, damaged or weak magnets. 5. Starter drive dirty or binding. PROCEDURE:The battery should have been checked prior to this test and should be fully charged.Set a voltmeter to measure DC voltage (12 VDC). Connect the meter positive (+) test lead to the St...
Page 53 - from the engine when testing Starter Motor perfor-; Minimum rpm; Note: Nominal amp draw of starter in generator is; TEST 26 - TEST STARTER CONTACTOR
section 6 Diagnostic tests Page 51 Figure 6-32. – Tachometer TEST BRACKET:A starter motor test bracket may be made as shown in Figure 6-33. METAL STOCK1/4" THICK STEEL 12" 1.0" 4" 2" 2.625" 3.5" 0.5" 0.5" DRILL TWO HOLES — 1/2"FOR STARTER MOUNTING BRACKET DRIL...
Page 54 - Note: Jumper leads may be used if necessary.; Figure 6-35. – Starter Contactor Relay Test; CONDITION
section 6Diagnostic tests Page 52 Ground. 12 VDC should be measured. Reconnect Wire 13 to the SCR. If 12 VDC is NOT measured on Wire 13 Stop Testing and repair or replace Wire 13 between the Starter Contactor (SC) and the Starter Contactor Relay (SCR). Note: Jumper leads may be used if necessary. 4....
Page 55 - TEST 29 - CHECk IgNITION SPARk
section x xxxxxxxxxxxxxxxxxxxxxxxxxx Page 53 section 6 Diagnostic tests Page 53 5. Set voltmeter to measure DC voltage. 6. Remove Wire 15 from the Star t-Run-Stop Switch (SW1). Connect the positive meter test lead to Wire 15. Connect the negative meter test lead to frame ground. 12 VDC should be mea...
Page 56 - LEAd; SHUTDOWN
TEST 31 - REMOVE WIRE 18 / SHUTdOWN LEAd PROCEDURE: 1. Disconnect Wire 18 from the Stud located above the oil cooler that extends out From the shrouding. 2. Perform Test 29 again checking for Spark. RESULTS:Refer back to Flow Chart. WIRE 18 SHUTDOWN LEAD Figure 6-40. – Wire 18 TEST 32 - TEST START S...
Page 57 - Set a voltmeter to measure DC voltage.; Connect the positive test lead to Wire 167 at Terminal Block 1; Connect the positive test lead to Wire 167 with it connected at; Connect the positive meter test to Wire 15 at SW1. See Figure
section 6 Diagnostic tests Page 55 SSR 15B 14 13 9 10 12 5 1 2 6 4 8 229 0 18 14 TEST POINTS A TEST POINTS B JUMPER LEAD ADDED TO GROUND TEST POINTS C 15 15 15 Figure 6-43. – Start Stop Relay (SSR) Energized TEST 33 - TEST WIRE 167 PROCEDURE: 1. Set a voltmeter to measure DC voltage. 2. Remove the J...
Page 58 - TEST 34 - TEST START STOP RELAY WIRINg; Figure 6-47. – Testing Wire 229 to Ground; TEST 35 - CHECk ANd AdJUST IgNITION
TEST 34 - TEST START STOP RELAY WIRINg PROCEDURE: 1. Set voltmeter to the diode test range. 2. Disconnect Wire 229 from the Start Stop Relay (SSR). 3. Connect the positive meter test lead to Wire 229 previous- ly removed. Connect the negative meter test lead to frame ground. See Figure 6-47. Place t...
Page 59 - Note: If the flywheel key becomes sheared or even; TEST 36 - TEST FUEL SHUTOFF SOLENOId; PROCEDURE; TEST 37: TEST FUEL SHUTOFF SOLENOId
section 6 Diagnostic tests Page 57 9. Now check the flywheel magnet by holding a screwdriver at the extreme end of its handle and with its point down. When the tip of the screwdriver is moved to within 3/4 inch (19mm) of the magnet, the blade should be pulled in against the magnet. 10. Now check the...
Page 60 - intake valve
PROCEDURE: 1. Remove the fuel line from the fuel filter on the inlet side of the carburetor. Use a suitable catch can to catch fuel. 2. Crank the engine over, fuel should flow from the fuel line. If fuel does not flow, verify that fuel is available to the pump. If fuel is available to the pump inspe...
Page 61 - toRQue speciFication; dOWN TEST / COMPRESSION TEST; If the pressure reading of cylinder #1 is
section 6 Diagnostic tests Page 59 toRQue speciFication RocKeR aRM JaM nut 168 inch-pounds (19 nm) CROW'S FOOT Figure 6-52 – Tightening the Jam Nut INSTALL ROCKER ARM COVER 1. Use a new rocker arm cover gasket. Install the rocker arm cover and retain with four screws. RESULTS:Adjust valves to specif...
Page 62 - for further engine service information.; TEST 42 - CHECk OIL PRESSURE SWITCH; LOW OIL SWITCH; d. Connect one test lead to Wire 0 ( disconnected from; If the LOP switch tests good in Step 3 and oil pressure is good
• Loose cylinder head bolts.• Failed cylinder head gasket. • Burned valves or valve seats.• Insufficient valve clearance.• Warped cylinder head.• Warped valve stem.• Worn or broken piston ring(s).• Worn or damaged cylinder bore.• Broken connecting rod.• Worn valve seats or valves.• Worn valve guides...
Page 63 - TEST 44 - TEST STARTER CONTACTOR; TEST 45 - CHECk WIRE 15 CIRCUIT; ground exists. Inspect each wire 15 for a shorted con-; TEST 46 - CHECk WIRE 14 CIRCUIT
section 6 Diagnostic tests Page 61 RESULTS: 1. If the SSR measures continuity or zero resistance it is shorted to ground and should be replaced. 2. If the SSR resistance is correct refer to flow chart. 100 ohm SSR 15B 14 13 9 10 12 5 1 2 6 4 8 229 0 18 14 15 15 15 Figure 6-54. – Testing Start Stop R...
Page 64 - TEST 48 - CHECk HOURMETER; RUN
RESULTS: 1. If continuity or zero was measured in Step 3 or Step 4 replace the FSS. 2. (Units without Hourmeter) If correct resistance was measured refer to flow chart, repair or replace Wire 14 between the FSS and Resistor (R1). 3. (Units with Hourmeter) Refer back to flow chart. TEST 48 - CHECk HO...
Page 65 - TEST 52 - CHECk IdLE CONTROL SWITCH; TEST 53 - CHECk IdLE CONTROL WIRINg; section 6
Connect one meter test lead to pin location J2-10 Wire 44S of the connector just removed. Be careful not to damage the pin connectors with the test leads. Connect the other meter test lead to Wire 44S at Terminal Block 2 (TB2). CONTINUITY should be measured. 3. Connect one meter test lead to pin loc...
Page 66 - TEST 54 - CHECk IdLE CONTROL; Figure 6-61. Check Idle Transformer Wiring
J2 HARNESS CONNECTOR SW2 00.00 J2-1 J2-12 MAKE SURE THE TEST PROBE CONNECTOR IS MAKING CONTACT WITH THE CONNECTOR. DOUBLE CHECK TO MAKE SURE THAT THE TIP IS SHARP. 0 83 Figure 6-60. – Check Idle Control Wiring RESULTS:Repair or replace wiring as needed. Refer back to the flow chart. TEST 54 - CHECk ...
Page 68 - MAJOR dISASSEMbLY; cautions when handling gasoline.
MAJOR dISASSEMbLY STATOR, ROTOR, AND ENGINE REMOVAL.Reference Figures A and B on Pages 68-71 for com- ponent location. 1. Disconnect and remove the battery (Figure B, Item #15) from the generator. 2. Remove Fuel Tank (Figure B, Item #4). Use proper safety pre- cautions when handling gasoline. Figure...
Page 69 - Remove Stator. Disconnect Wire 4 and Wire 0 from the brush
section 7 DisasseMblY anD exploDeD vieWs Page 67 6. Remove Stator. Disconnect Wire 4 and Wire 0 from the brush assembly, Figure A, Item 21. Remove the brush assembly. Remove the four stator hold down bolts, Figure A, Item 12. Lift the rear end of the alternator up to clear the muffler frame from the...
Page 70 - generator – Figure a
section 7DisasseMblY anD exploDeD vieWs Page 68 10 33 39 24 14 23 46 31 13 31 39 17 28 42 43 44 19 32 10 17 16 9 3 5 30 20 1 7 25 40 19 32 22 24 26 31 36 28 32 31 28 27 45 29 18 28 10 40 41 30 11 12 21 4 34 32 15 37 6 2 35 29 8 38 generator – Figure a
Page 71 - iteM
section 7 DisasseMblY anD exploDeD vieWs Page 69 iteM QtY. DescRiption 1 1 ADAPTOR, ENGINE 2 1 STATOR 3 1 ASSEMBLY, ROTOR W/FAN 4 1 CARRIER, REAR BEARING 5 1 EXHAUST MANIFOLD 6 1 MUFFLER 7 1 GASKET, EXHAUST 8 1 COVER, ALTERNATOR AIR INTAKE 9 1 BEARING 10 3 5/16 SPECIAL LOCK WASHER 11 1 SCREW IHHC 3/...
Page 72 - Detail of Battery Tray
section 7DisasseMblY anD exploDeD vieWs Page 70 22 21 26 30 28 5 6 7 8 9 14 32 42 24 26 27 31 29/51 29 5 19 18 17 20 16 10 1 37 3 11 12 13 33 35 7 7 6 36 34 23 39 38 41 40 39 17 2 44 43 46 25 17 6 7 47 48 49 50 52 7636 Detail of Battery Tray POWER WIRE TO ENGINE 4 45 CONTROL PANEL 15 Frame, Handle &...
Page 85 - Wiring Diagram, 17.5 kW Manual transfer switch – Drawing no. 0g1065
section 8 electRical Data CIRCUIT 16 CIRCUIT 14 CIRCUIT 12 CIRCUIT 8 CIRCUIT 6 MAIN 2 CIRCUIT 2 CIRCUIT 4 CIRCUIT 10 NEUTRAL NEUTRAL NEUTRAL CIRCUIT 12 CIRCUIT 14 CIRCUIT 16 CIRCUIT 8 NEUTRAL NEUTRAL CIRCUIT 6 NEUTRAL CIRCUIT 10 MAIN 1 GROUND NEUTRAL CIRCUIT 9 NEUTRAL NEUTRAL NEUTRAL NEUTRAL CIRCUIT...
Page 88 - gENERATOR SPECIFICATIONS; MoDel; ENgINE SPECIFICATIONS
gENERATOR SPECIFICATIONS MoDel gps 12500 gps 15000 gps 17500 Model # 004451004986 004582004987005209 004583005308 Rated Max. Power 12.5 kW 15.0 kW 17.5 kW Surge Power 18.75 kW 22.5 kW 26.25 kW Rated AC Voltage 120/240 120/240 120/240 Rated Max AC Load Current @ 240V 52.0 Amps 62.5 Amps 72.9 Amps Cur...
Page 89 - TORqUE SPECIFICATIONS
section 9 speciFications & cHaRts Page 87 Flywheel Nut 150 ft. lbs. Cylinder Head bolts 22 ft. lbs. Valve Cover bolts 4.8-5.5 ft. lbs. Rocker Arm Jam Nut 14 ft. lbs. Ignition Coil 9 ft. lbs. Intake Manifold 14 ft. lbs. Exhaust Manifold 14 ft. lbs. Stator bolt 12 ft. lbs. Rotor bolt 30 ft. lbs. S...
Page 90 - PORTABLES; ULTRA SOURCE PORTABLE GENERATOR; DIAGNOSTIC
www.guardiangenerators.com PORTABLES PO BOX 297 • WHITEWATER, WI 53190 www.guardiangenerators.com P/N OF7713 REV. A Printed in the USA 6.06 MODELS: 4451 & 4986 (12,500 Watt)4582 & 4987 (15,000 Watt)4583 (17,500 Watt) 5209 (15,000 Watt)5308 (17,500 Watt) ULTRA SOURCE PORTABLE GENERATOR DIAGNO...