Generac NP-50LPG - Manuals

5 R e c r e a t i o n a l V e h i c l e G e n e r a t o r READ THIS MANUAL THOROUGHLY If you don't understand any portion of this manual, contact Gen-erac for a demonstration of actual starting, operating andservicing procedures. Throughout this publication and on tags and decals affixed tothe gener...

6 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator GENERATOR APPLICABILITY These generators have been designed and manufactured forsupplying electrical power for recreational vehicles. You shouldnot modify the generator or use it for any applica...

7 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator GENERATOR CONTROL PANEL Mounted on the generator control panel (Figure 2) are the fol-lowing features: Figure 2 — Generator Control Panel FUEL PRIMER Before starting a cold engine (if it has not...

8 R e c r e a t i o n a l V e h i c l e G e n e r a t o r BEFORE STARTING THE ENGINE IMPORTANT: INSTRUCTIONS AND INFORMATION IN THISMANUAL ASSUME THE GENERATOR HAS BEEN PROP-ERLY INSTALLED, CONNECTED, SERVICED, TESTED ANDADJUSTED BY A QUALIFIED INSTALLATION TECHNICIANOR INSTALLATION CONTRACTOR. INST...

9 R e c r e a t i o n a l V e h i c l e G e n e r a t o r 3. Hold the engine Start/Stop Switch at START to crank engine. Release the switch when the engine starts. CAUTION: If the engine does not start after it hasbeen cranking for 15 seconds, release thestart/stop switch and try again. Holding the ...

10 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Induction type motors (such as those that run the vehicle’sfurnace fan, refrigerator, air conditioner, etc.) need about 2-1/2 time more watts of power for starting than for running(for a few seconds during motor starting). Be sure to allowfo...

11 R e c r e a t i o n a l V e h i c l e G e n e r a t o r The voltage regulator also incorporates a “voltage surge pro-tection circuit.” This circuit prevents troublesome surges in thegenerator AC output voltage. Voltage surge is a common causeof damage to electronic equipment. 25-HOUR BREAK IN PER...

12 R e c r e a t i o n a l V e h i c l e G e n e r a t o r FUEL REQUIREMENTS The “NP” series generator is equipped with a liquefied petro-leum (LP) gas fuel system. LP gas is usually supplied as aliquid in pressure tanks. “NP” series generators require a “vapor withdrawal” type fuelsystem. This type...

13 R e c r e a t i o n a l V e h i c l e G e n e r a t o r This section includes information about simple maintenancewhich includes the following tasks. • Checking engine oil level• Changing engine oil• Changing oil filter• Clean or change the air cleaner• Cleaning the air intake screen• Cleaning sp...

14 R e c r e a t i o n a l V e h i c l e G e n e r a t o r ENGINE AIR CLEANER Clean and re-oil the foam pre-cleaner every three months orevery 25 operating hours, whichever comes first. Servicemore frequently if operating under extremely dusty or dirty con-ditions (Figure 10): • Remove both screws t...

15 R e c r e a t i o n a l V e h i c l e G e n e r a t o r SPARK ARRESTOR MUFFLER If the generator is not equipped with a spark arrestor exhaustmuffler and is to be used on any forest covered, brush cov-ered or grass covered unimproved land, you may have toinstall a spark arrestor. The spark arresto...

17 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine won’t crank. 1. 15 amp fuse blown. 1. Replace fuse. 2. Loose, corroded or defective 2. Tighten, clean or replace battery cables as necessary. 3. Battery is discharged or defective. 3. Recharge or replace battery. 4. Defective starter contacto...

ELECTRICAL DATA Drawing No. 94210 18 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator GENER A C ® CORPOR A TION

20 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator EXPLODED VIEW — BASE AND PULLEYS Drawing No. 95865 GENER A C ® CORPOR A TION

ITEM DESCRIPTION PART NO. QTY. ITEM DESCRIPTION PART NO. QTY. 21 R e c r e a t i o n a l V e h i c l e G e n e r a t o r 1 BASE, MOUNTING 92603 1 2 GROUND CABLE 90141 1 3 MOUNT, (RUBBER) 46911 4 4 CAPSCREW, .-3/8"-16 x 1/2" 25017 8 5 LOCKWASHER-M10 46526 10 6 LOCKWASHER-M8 22129 4 7 SKID, RU...

22 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator EXPLODED VIEW — ALTERNATOR AND PANEL Drawing No. 94106 GENER A C ® CORPOR A TION

ITEM DESCRIPTION PART NO. QTY. ITEM DESCRIPTION PART NO. QTY. 23 R e c r e a t i o n a l V e h i c l e G e n e r a t o r 1 Lower Bearing Carrier 75995 1 2 50 Rotor Assembly 92605G 1 3 50 Stator Assembly 92604G 1 4 Ball Bearing 73159 1 5 Ball Bearing 31971 1 6 Upper Bearing Carrier 72379 1 7 Stator S...

24 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator EXPLODED VIEW — ENGINE ENCLOSURE Drawing No. 94108 GENER A C ® CORPOR A TION

ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 25 R e c r e a t i o n a l V e h i c l e G e n e r a t o r 1 90953 1 SCROLL, FLYWHEEL 2 45756 8 SCREW, TAPTITEM6-1.0 x 10 LG 3 90388 1 SCREW, TAPTITEM6-1.0 x 12 LG 4 91222-A 1 FLYWHEEL (20 DEG.) 5 67198-N 1 WASHER, BELLVILLE M20 6 67890 1...

26 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator EXPLODED VIEW — GN-410 ENGINE Drawing No. B2195 GENER A C ® CORPOR A TION

27 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 1 71977 1 PISTON RING SET 2 71979 2 CONNECTING ROD BOLT 3 72637 1 CONNECTING ROD WITH CAP AND BOLT 4 71980 1 PISTON PIN 5 71983 2 P...

28 R e c r e a t i o n a l V e h i c l e G e n e r a t o r Generac NP-50LPG Recreational Vehicle Generator EXPLODED VIEW — ENGINE ACCESSORIES Drawing No. 95866 GENER A C ® CORPOR A TION

ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 29 R e c r e a t i o n a l V e h i c l e G e n e r a t o r 1 90896 1 MANIFOLD, INTAKE 2 91039 1 GASKET, MANIFOLD/HEAD 3 68527 2 BOLT, HEX HD. CAPSCR. &LOCK WASHER-M6-1.0 x 20 4 72347 1 SPARK PLUG, CHAMPION#RC12YC 5 89228 1 GASKET, CAR...

CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board ("CARB") and Generac Corporation are pleased to explain the Emission Control System War-ranty on your new recreational vehicle generator engine. In California, new recreatio...

EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty ("ECS Warranty") for 1995 and Later Model Year recreational vehicle generator: A. Applicability: This warranty shall apply to 1995 and later model year recreational vehicle generator. The ECS Warranty Period ("ECS Warranty...

GENER A C ® CORPOR A TION Generac’s Three-Year Limited Warranty For Recreational Vehicle NP Generators GENERAC warrants to the original purchaser that its generators will be free from defects in materials or workmanship for theperiod set forth below from the date of original purchase. During said wa...