23
d) Clean around oil fill cap and remove cap. Fill to specified capacity and replace cap. Use oil
recommended in engine owner’s manual. DO NOT overfill.
e) Start the engine and check for leaks. Stop engine and recheck oil level.
5.1.10 Check tire pressure:
Service Interval: 40hrs
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Check tire pressure in drive tires.
Inflate drive tires to 12psi (82.8kPa).
c) Charge the drive tires to proper pressure.
d) Check tire pressure in caster tires.
Inflate caster tires to 25psi (172.5kPa).
e) Charge the caster tires to proper pressure.
5.1.11 Check condition of belts:
Service Interval: 40hrs
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Check the drive belt from engine to the mower deck and hydrostatic transaxle.
c) Remove left and right belt shields on deck and lift out floor pan to inspect deck drive belt.
d) See Sections 5.2.3 and 5.2.4 about the belt adjustment.
5.1.12 Lubricate grease fittings:
Service Interval: Refer to chart
Stop engine, wait for all moving parts to stop, and remove key.
LUBRICATION CHART
FITTING LOCATIONS
INITIAL PUMPS
NO. of PLACES
SERVICE INTERVAL
Front Caster Wheel Hubs
1
2
Yearly
Front Caster Pivots
1
2
Yearly
Height Adjustment Shaft Bearing
1
2
50 hours
Deck Drive Belt Idler Arm
1
1
50 hours
5.1.13 Lubricate brake handle pivot:
Service Interval: 160hrs
a) Stop the engine, wait for all moving parts to stop, and remove key.
b) Lubricate bronze bushing on brake handle pivot with a spray type lubricant or light oil.
5.1.14 Clean cooling fins:
Service Interval: 100hrs
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Remove cooling shroud clean-out covers from engine and clean cooling fins. Also clean dust, dirt,
and oil from external surface of engine which can cause improper cooling.
c) Make sure cooling shroud clean-out covers or cooling shrouds are reinstalled. Operating the engine
without cooling shroud clean-out covers or cooling shrouds will cause engine damage due to
overheating.
Summary of Contents for WYRZ50
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