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LUBRICATION CHART
FITTING
LOCATIONS
INITIAL
PUMPS
NO. of
PLACES
SERVICE
INTERVAL
1. Front Caster wheel hubs
∗0
2
∗Yearly
2. Front Caster Pivots
∗0
2
∗Yearly
3. Height Adj. Shaft Bearings 1 5 40 hours
4. Deck Drive Belt Idler Arm
1 1
Yearly
5. Brake Brackets 1 2 200 hours
6. Fan Pump Belt Idler Arm
1 1
40 hours
7. Wheel Drive Pump Belt Idler Arm
1 1
Yearly
8. Deck Rear Struts 1 2 40 hours
9. Mule Drive Belt Idler Arms 1 2 Yearly
∗
See Section 5.1.16 c) for special lubrication instructions on the front caster pivots and
Section 5.1.17 for special lubrication instructions on the front casters wheel hubs.
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.
5.1.17 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
No. 6 (Fan Pump Belt Idler Arm)
Access through hole in bumper plate
No. 7 (Pump Drive Belt Idler Arm)
Located Under Seat
FIGURE 10
CASTER WHEEL ASSEMBLY