Honda 070PF Z0HA100 - Manuals

0-5 dummyhead dummyhead How to use this manual ABBREVIATIONS Throughout this manual, the following abbreviations are used to identify the respective parts or systems. Abbreviated term Full term ACG Alternator API American Petroleum Institute Approx. Approximately Assy. Assembly ATDC After Top Dead C...

1-1 1 dummytext 1. SPECIFICATIONS SERIAL NUMBER LOCATION ················· 1-2 SPECIFICATIONS ·································· 1-2 PERFORMANCE CURVE ························ 1-4 DIMENSIONAL DRAWINGS ···················· 1-5

1-2 dummyhead dummyhead SPECIFICATIONS SPECIFICATIONS SERIAL NUMBER LOCATION The engine serial number [1] is located on the cylinder barrel.The frame serial number [2] is located on the frame.Refer to these numbers when ordering parts and when making technical inquiries. SPECIFICATIONS DIMENSIONS AN...

1-4 dummyhead dummyhead SPECIFICATIONS PERFORMANCE CURVE DISCHARGE CAPACITY T OT AL HEAD LIFT 10 20 30 (m) 50 100 (Liters/min) 40 150 10 20 30 (US gal/min) 10 20 30 (Imp gal/min) 20 40 60 80 100 120 (feet)

1-5 dummyhead dummyhead SPECIFICATIONS DIMENSIONAL DRAWINGS 29 5 ( 1 1. 6 i n ) 220 (8.7 in) Unit: mm (in) 340 (13.4 in)

2-1 2 dummytext 2. SERVICE INFORMATION MAINTENANCE STANDARDS ················· 2-2 TORQUE VALUES ································· 2-3 LUBRICATION & SEAL POINT ················ 2-4 TOOLS ················································ 2-5 HARNESS AND TUBE ROUTING ············· 2-6

2-2 dummyhead dummyhead SERVICE INFORMATION SERVICE INFORMATION MAINTENANCE STANDARDS ENGINE Unit: mm (in) PUMP Unit: mm (in) Part Item Standard Service limit Engine Idle speed 4,100 ± 200 min -1 (rpm) – Cylinder compression 0.90 MPa (9.2 kgf/cm 2 , 131 psi)/2.000 min -1 (rpm) – Cylinder Sleeve I.D....

2-3 dummyhead dummyhead SERVICE INFORMATION TORQUE VALUES ENGINE PUMP STANDARD TORQUE VALUES ENGINE FRAME Item Thread Dia. (mm) Torque values Remark N·m kgf·m lbf·ft Spark plug M10×1.0 11.8 1.2 9 Fan cover bolt M5×0.8 6.4 0.65 4.7 Lower crankcase bolt M5×0.8 (CT) 6.4 0.65 4.7 CT (Cutting Thread)indi...

2-4 dummyhead dummyhead SERVICE INFORMATION LUBRICATION & SEAL POINT ENGINE Material Location Remarks Molybdenum disulfide oil(mixture of the engine oil and molybdenum grease in a ratio of 9:1) Piston outer surfacePiston ringsPiston pin outer surfaceCylinder barrel inner surface Engine oil Each ...

2-5 dummyhead dummyhead SERVICE INFORMATION TOOLS Piston base07VPF-ZM3010B Push rod07VPF-ZM3020A Guide07VPF-ZM3030A Rocker arm replacement tool070PF-Z0HA100 Mechanical seal installer07965-415000A Attachment, 24 x 26 mm07746-0010700 Pilot, 12 mm07746-0040200 Driver07749-0010000 Attachment, 28 x 30 mm...

2-6 dummyhead dummyhead SERVICE INFORMATION HARNESS AND TUBE ROUTING HIGH TENSION CORD STOP SWITCH CORD SHROUD SHROUD STOP SWITCH CORD SHROUD STOP SWITCH CORD GROOVE

3-2 dummyhead dummyhead MAINTENANCE MAINTENANCE TOOL Cleaning brush(commercially available) Vacuum tester07APJ-YB3A100 25 30 1 0.8 BAR 100 x Kpa "Hg 0.6 0.4 0.2 0 20 15

3-3 dummyhead dummyhead MAINTENANCE MAINTENANCE SCHEDULE (1) Service more frequently when used in dusty areas. (2) For commercial use, log hours of operation to determine proper maintenance intervals. ITEM Perform at every indicated month or operating hour interval, whichever comes first. REGULAR SE...

3-4 dummyhead dummyhead MAINTENANCE ENGINE OIL LEVEL CHECK/CHANGE CHECK Place the water pump on a level surface. Remove the oil filler cap [1] and verify the oil level is atthe top of the oil filler neck [2]. If the oil level is low, fill with recommended oil to the topof the oil filler neck (page 3...

3-5 dummyhead dummyhead MAINTENANCE AIR CLEANER CHECK/CLEANING CHECK A dirty air cleaner will restrict air flow to the carburetor,reducing engine performance. If the engine is operatedin dusty areas, clean the air cleaner more often thanspecified in the MAINTENANCE SCHEDULE. Remove the air cleaner c...

3-6 dummyhead dummyhead MAINTENANCE SPARK PLUG CHECK/ADJUSTMENT Remove the spark plug (page 3-6) . Clean the spark plug [1] electrodes with a wire brush [2]or special plug cleaner. Check the following and replace if necessary. – Insulator [3] and sealing washer [4] for damage– Center electrode [5] a...

3-7 dummyhead dummyhead MAINTENANCE SPARK ARRESTER CLEANING(Applicable types) Remove the top cover (page 5-2) . Remove the two screws (4 x 6 mm) [1] from the sparkarrester [2], and remove the spark arrester from themuffler. Check for carbon deposits around the exhaust port andspark arrester. Clean i...

3-9 dummyhead dummyhead MAINTENANCE COMBUSTION CHAMBER CLEANING Prepare a cylinder of thick paper or equivalent material,with a diameter large enough to fit against the inner wallof the cylinder, and insert it into the cylinder forprotection. Attach a commercially available cleaning brush [1] to ane...

3-10 dummyhead dummyhead MAINTENANCE FUEL FILTER CLEANING Clean the fuel filter [1] with solvent and allow it to drythoroughly. Replace the fuel filter if it is contaminated. Installation is in the reverse order of removal. After Installation, check for any sign of fuel leakage. IMPELLER CHECK Remov...

3-11 dummyhead dummyhead MAINTENANCE IMPELLER CLEARANCE CHECK Remove the volute case [1] (page 10-4) . Measure the depth [2] of the volute case by using thedepth gauge or vernier caliper. Measure the height of the impeller vanes [1] from thecasing cover [2]. [1] [2] [1] [2]

3-12 dummyhead dummyhead MAINTENANCE Subtract the height of the impeller [1] from the depth ofthe volute case [2] to obtain the impeller clearance [3]. If the clearance is not within specification, adjust theclearance by adding or removing adjuster shims [4] (page 10-5) . PUMP INLET VALVE CHECK Remo...

3-13 dummyhead dummyhead MAINTENANCE PUMP VACUUM TEST Test Procedure Install thread tape or sealant to the vacuum gaugeand install in the base plate. Position a garden hose [1] so a steady stream ofwater flows into the discharge port during the test. Start the engine, position the throttle lever in ...

4-1 4 dummytext 4. TROUBLESHOOTING BEFORE TROUBLESHOOTING ··············· 4-2 ENGINE TROUBLESHOOTING ················ 4-2 WATER PUMP TROUBLESHOOTING ······· 4-5

4-2 dummyhead dummyhead TROUBLESHOOTING TROUBLESHOOTING BEFORE TROUBLESHOOTING • Check that the connectors are connected securely. • Check for sufficient fresh fuel in the fuel tank. • Read the circuit tester's operation instructions carefully, and observe the instructions during inspection. ENGINE ...

4-5 dummyhead dummyhead TROUBLESHOOTING WATER PUMP TROUBLESHOOTING Priming water too low. Mechanical seal damaged. Suction head too great. Strainer clogged. Clean out. Suction hose leak. Strainer damaged. Move pump closer to water source. Suction hose damaged. Inlet valve damaged. Replace ( page 10-...

5-2 dummyhead dummyhead COVER COVER TOP COVER REMOVAL/INSTALLATION TOP COVER TOP COVER BOLT

6-1 6 dummytext 6. FUEL SYSTEM FUEL TANK REMOVAL/INSTALLATION ····················· 6-2 AIR CLEANER REMOVAL/INSTALLATION ····················· 6-3 CARBURETOR REMOVAL/INSTALLATION ····················· 6-4 CARBURETOR DISASSEMBLY/ASSEMBLY···················· 6-5 METERING LEVER ADJUSTMENT ··········· 6...

6-2 dummyhead dummyhead FUEL SYSTEM FUEL SYSTEM FUEL TANK REMOVAL/INSTALLATION Remove the recoil starter (page 9-2) . Remove the engine from engine bed (page 11-2) . Drain the fuel completely from fuel tank and fuel tube. Gasoline is highly flammable and explosive. You can be burned or seriously inj...

6-5 dummyhead dummyhead FUEL SYSTEM CARBURETOR DISASSEMBLY/ASSEMBLY Tampering is a violation of Federal and California law. Remove the carburetor (page 6-4) . Before disassembly, clean the outside of the carburetor. Gasoline is highly flammable and explosive. You can be burned or seriously injured w...

6-6 dummyhead dummyhead FUEL SYSTEM METERING LEVER ADJUSTMENT Install the metering lever spring [1], inlet needle valve[2], metering lever [3], metering lever pin [4] andmetering lever pin screw on the pump body [5]. Measure the gap between the metering lever surfaceand the pump body surface. If the...

7-1 7 dummytext 7. CONTROL SYSTEM CONTROL BASE/ENGINE STOP SWITCH REMOVAL/INSTALLATION ····················· 7-2 ENGINE STOP SWITCH INSPECTION ······ 7-3 THROTTLE LEVER ADJUSTMENT··········· 7-4

7-3 dummyhead dummyhead CONTROL SYSTEM ENGINE STOP SWITCHREMOVAL/INSTALLATION REMOVAL Raise the tab [1] with a screwdriver, and remove theengine stop switch [2]. INSTALLATION Align the projection [1] on the control base [2] with thegroove [3] in the engine stop switch [4]. Bend the tab as shown. ENG...

7-4 dummyhead dummyhead CONTROL SYSTEM THROTTLE LEVER ADJUSTMENT Remove the air cleaner cover (page 6-3) . Move the throttle lever [1] slowly by pushing it down tothe "HIGH SPEED" side until it brings the carburetorthrottle valve [2] to the position where the clearance atthe stopper [3] is 0...

8-1 8 dummytext 8. IGNITION SYSTEM TOOLS ················································ 8-2 SYSTEM DIAGRAM ······························· 8-3 IGNITION SYSTEM TROUBLESHOOTING ···························· 8-3 IGNITION COIL REMOVAL/INSTALLATION ····················· 8-4 FAN COVER/ENGINE P.T.O.SHAFT/...

8-3 dummyhead dummyhead IGNITION SYSTEM SYSTEM DIAGRAM IGNITION SYSTEM TROUBLESHOOTING NO OR WEAK SPARK AT SPARK PLUG Check the following before troubleshooting: – Loose connectors– Spark plug (page 3-6) Bl Bl SPARK PLUG IGNITION COIL ENGINE STOP SWITCH ENGINE STOP SWITCH IG E OFF ON Bl Black Y Yell...

8-6 dummyhead dummyhead IGNITION SYSTEM ENGINE P.T.O. SHAFT REMOVAL/INSTALLATION • To avoid flywheel fan blade damage, position the strap wrench fulcrum at the flywheel magnetic parts. Holding the flywheel [1] with a commercially availablestrap wrench [2], remove the bolt (6 x 22 mm) [3] andremove t...

8-7 dummyhead dummyhead IGNITION SYSTEM INSTALLATION • Clean the tapered part of dirt, oil, grease and other foreign material before installation. • Be sure that there is no washer or other foreign material on the magnetic part. Be sure that the woodruff key is set in the key grooveproperly. Holding...

8-8 dummyhead dummyhead IGNITION SYSTEM SPARK TEST Check for the following before conducting the sparktest. • Faulty spark plug • Loose spark plug cap • Water in the spark plug cap (leaking the ignition coil secondary voltage) • Loose ignition coil connector Disconnect the spark plug cap [1] from th...

10-1 10 dummytext 10. PUMP TOOLS ·············································· 10-2 INLET PIPE/OUTLET PIPE REMOVAL/INSTALLATION ··················· 10-3 CASING/VOLUTE CASEREMOVAL/INSTALLATION ··················· 10-4 IMPELLER/CASING COVER REMOVAL/INSTALLATION ··················· 10-5 MECHANICAL SEA...

10-6 dummyhead dummyhead PUMP MECHANICAL SEAL REPLACEMENT Drive out the mechanical seal [1] from the inside usingthe special tools. Place the seal onto the seal driver [1] and bolt [2]. Put the bolt through the casing cover [3]. Install the back up plate [4] with the B side facing thecasing cover an...

11-1 11 dummytext 11. ENGINE REMOVAL/INSTALLATION ENGINE REMOVAL/INSTALLATION······· 11-2

11-2 dummyhead dummyhead ENGINE REMOVAL/INSTALLATION ENGINE REMOVAL/INSTALLATION ENGINE REMOVAL/INSTALLATION INSTALLATION:Check for cracking, deformation or other damage before installation.Install by aligning with the hole in the frame. HANDLE FRAME BED BOLT (6 x 14 mm) (2) NUT (6 mm) (4) SCREW (6 ...

12-10 dummyhead dummyhead CRANKCASE CRANKSHAFT/PISTON INSPECTION OIL SLINGER Check the oil slinger [1] of the crankshaft for damageand deformation. Replace the crankshaft if it isdamaged or deformed. CYLINDER SLEEVE I.D. Measure and record the cylinder I.D. at three levels inboth the “X” axis (perpe...

12-12 dummyhead dummyhead CRANKCASE PISTON RING WIDTH Measure each piston ring width. If any of the measurements is less than the servicelimit, replace the piston rings (top, second, oil) as a set. Do not hone the cylinder. PISTON RING END GAP Before inspection, check whether the cylinder sleeveI.D....

13-1 13 dummytext 13. CYLINDER HEAD TOOL················································· 13-2 CYLINDER HEAD COVER/CAM PULLEY REMOVAL/INSTALLATION ··················· 13-3 ROCKER ARM/VALVES REMOVAL/INSTALLATION ··················· 13-5 CYLINDER COMPRESSION CHECK······ 13-10 CYLINDER HEAD/VALVES INSP...

13-10 dummyhead dummyhead CYLINDER HEAD CYLINDER COMPRESSION CHECK Warm the engine to normal operating temperature. Turn the engine stop switch to the OFF position. Make sure the choke is open. Drain the fuel from the fuel tank.Drain the fuel from the carburetor by pushing thecarburetor primer pump....

14-1 14 dummytext 14. MUFFLER MUFFLER REMOVAL/INSTALLATION ···· 14-2 EXHAUST PIPE STUD BOLT REPLACEMENT ·································· 14-3

14-2 dummyhead dummyhead MUFFLER MUFFLER MUFFLER REMOVAL/INSTALLATION Remove the top cover (page 5-2) . The muffler becomes very hot during operation and remains hot for a while after stopping the engine. Touching a hot muffler will severely burn you. Allow the muffler to cool before proceeding. AIR...