Exmark Lawn Tractor Operator's Manual page 34

LOCATIONS
1. Front Caster wheel hubs
2. Front Caster Pivots
3. Height Adj. Shaft Bearings
4. Deck Drive Belt Idler Arm
5. Brake Brackets
6. Mule Drive Belt Idler Arm
7. Pump Drive Belt Idler Arm
8. Deck Rear Struts
∗ See Section 5.1.15 c) for special lubrication instructions on the front caster pivots and
Section 5.1.16 for special lubrication instructions on the front casters wheel hubs.
No. 6 (Mule Drive Belt Idler Arm)
Located Under Engine Frame
No. 7 (Pump Drive Belt Idler Arm)
Located Under Engine Frame
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.
5.1.16 Lubricate caster wheel hubs:
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 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.
LUBRICATION CHART
FITTING
Service Interval: Once Yearly
- 29 -
INITIAL NO. of
PUMPS PLACES
∗0
2
∗0
2
1 5
1 1
1 2
1 1
1 1
1 2
CASTER WHEEL ASSEMBLY
SERVICE
INTERVAL
∗yearly
∗yearly
40 hours
Yearly
200 hours
Yearly
Yearly
40 hours
FIGURE 8