a)Stop engine and wait for all moving parts to stop. Remove ignition key or spark plug wire(s).
b)Remove cooling shrouds from engine and clean cooling fins. Also clean dust, dirt, and oil from external surfaces of engine, which can cause improper cooling.
c)Make sure cooling shrouds are properly reinstalled. Operating the engine without cooling shrouds will cause engine damage due to overheating.
5.1.17Change fuel filter.
Service Interval: As Required
a)A fuel filter is installed in the fuel line between the fuel tank and the engine. Replace when necessary.
5.1.18Refer to Engine Operators Manual for detailed maintenance regarding the engine.
5.1.19Wheel hub - slotted nut torque specification.
When tightening the slotted nut on the wheel motor tapered shaft:
a)Torque the slotted nut to 100 ft. lbs.
b)Further tighten the nut until the next set of slots line up with the cross hole in the shaft.
c)Replace cotter pin.
5.1.20Thread locking adhesives such as “Loctite 242” or
a)Pump drive sheave setscrews.
b)Square head setscrews on Hydro pump control arms.
c)OPC lever setscrews.
d)Sheave retaining bolt in end of engine crankshaft.
e)Lower Sheave retaining bolt on clutch arm.
f)Shoulder bolts in ends of speed control crank.
Adhesives such as “Loctite RC/609 or RC/680” or
a) OPC lever hubs and
NOTE: Care must be used not to bond the bearing, next to each OPC hub, to the cross shaft which could cause binding of the OPC levers and erratic operation.
5.1.21An
a)Between engine crankshaft and pump and blade drive sheaves.
b)On clutch arm assembly between bearings and shaft and between lower sheave and shaft.
c)Between pump shafts and sheaves.
5.1.22Dielectric grease is used on all blade type electrical connections to prevent corrosion and loss of contact.
5.1.23Check battery charge: (Electric start units only)
Service Interval: Monthly
Allowing batteries to stand for an extended period of time without recharging them will result in reduced performance and service life. To preserve optimum battery performance and life, recharge batteries in storage when the open circuit voltage drops to 12.4 volts.
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