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LUBRICATION CHART
FITTING LOCATIONS
INITIAL
PUMPS
NO of
PLACES
SERVICE
INTERVAL
1. Front Caster Wheel hubs w/o zerk *0 2 Yearly
2. Front Caster Pivots *0 2 Yearly
3. Drive Wheel Bearings 1 2 200 hours
4. Engine Deck Pivots 1 2 40 hours
5. Steering Column 1 1 40 hours
6. Idler Pivots, Mower Deck 1 2 Yearly
7. Rear Steering Wheel Bearings 1 1 200 hours
* See 6.1.14 Section c) for special lubrication instructions on the front caster pivots
and Section 6.1.15 for special lubrication instructions on the front caster wheel hubs.
No. 3 (Drive Wheel Bearings)
Located Under Engine Deck
c) Lubricate front caster pivots once a year. Remove hex plug and cap. Thread
grease zerk in hole and pump with grease until it oozes out around top
bearing. Remove grease zerk and thread plug back in Place cap back on.
6.1.15 Lubricate caster wheel hubs:
Service Interval: Once Yearly
a) Stop engine, wait for all moving parts to
stop, and remove key.
b) Remove caster wheel from caster forks.
c) Remove seal guards from the wheel hub.
d) Remove one of the spacer nuts from the axle assembly in the caster wheel.
Note that thread locking adhesive has been applied to lock the spacer nuts
to the axle. Remove the axle (with the other spacer nut still assembled to
it) from the wheel assembly.
e) Pry out seals, and inspect bearings for wear or damage and replace if
necessary.
f) Pack the bearings with a NGLI grade #1 multi-purpose grease.
g) Insert (1) bearing, (1) new seal into the wheel.
NOTE: Seals (Exmark PN 103-0063) must be replaced.
h) If the axle assembly has had both spacer nuts removed (or broken loose),
apply a thread locking adhesive to (1) spacer nut and thread onto the axle
with the wrench flats facing outward. Do not thread spacer nut all of the way
onto the end of the axle. Leave approximately 1/8” (3 mm) from the outer
surface of the spacer nut to the end of the axle inside the nut.
FIGURE 7
CASTER WHEEL ASSEMBLY