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3.STOPPING (See Fig. 5)
(1)Set the speed control lever at the low speed position and allow the engine to run at low speed for 2 or 3 minutes before stopping. (See
(2)Set the stop switch to the position “OFF”. (See
■Do not stop the engine suddenly when it is running at high speed.
(3)Pull the starter handle slowly and return the handle to its original position when resistance is felt. This operation is necessary to prevent outside moist air from intruding into the combustion chamber. (See
5.MAINTENANCE
(See Fig. 6)
1. DAILY INSPECTION
Before running the engine, check the following service items.
qLoose or broken bolts and nuts
wClean air cleaner element
eEnough clean engine oil
rLeakage of gasoline and engine oil
tEnough gasoline
ySafe surroundings
uCheck the priming water
iExcessive vibration, noise
2. PERIODIC INSPECTION
Periodic maintenance is vital to the safe and efficient operation of your pump.
Check the table below for periodic maintenance intervals. The below chart is based on the normal pump operation schedule.
CAUTION
Replace rubber pipes for fuel passage every two years. If fuel leakage is found, replace the pipe immediately.
3.INSPECTING THE SPARK PLUG (See Fig.7-q)
(1)Clean off carbon deposits on the spark plug electrode using a plug cleaner or wire brush.
(2)Check electrode gap. The gap should be 0.7 mm to 0.8 mm (0.03 inch.). Adjust the gap, if necessary, by carefully bending the side electrode.
Recommended Spark Plug : NGK CMR6A
Periodic Maintenance Schedule table
Maintenance items |
| Every 8 hours | Every 50 hours | Every 200 hours | |
| (Daily) | (Weekly) | (Monthly) | ||
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CLEAN PUMP SET AND CHECK BOLTS AND NUTS |
| ● (Daily) |
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CHECK AND REFILL ENGINE OIL |
| ● (Refill daily up to upper | level.) |
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CLEAN AIR CLEANER |
| ● |
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CHANGE ENGINE OIL |
| (Intial 20 hours) | ● |
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CLEAN SPARK PLUG |
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CLEAN FUEL FILTER |
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REMOVE THE PUMP CASING AND CLEAN |
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CLEAN AND ADJUST SPARK |
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PLUG AND ELECTRODES |
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CHECK AND ADJUST VALVE CLEARANCE (*Note 1) |
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CLEAN AND ADJUST CARBURETOR |
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CHECK SUCTION AND DELIVERY |
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CHECK VALVES |
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OVERHAUL ENGINE IF NECESSARY (*Note 1) |
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*Note: 1. As to the procedures for these items, please refer to the SERVICE MANUAL or consult your nearest Robin service dealer.
NOTE
Replace rubber hoses for passage every one year. If and when fuel leakage is found, replace hose at once.
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