LUBRICATION CHART
| FITTING | INITIAL | NO. of | SERVICE |
| LOCATIONS | PUMPS | PLACES | INTERVAL |
1. | Front Caster wheel hubs w/o Zerk | ∗0 | 2 | ∗yearly |
2. | Front Caster Pivots | ∗0 | 2 | ∗yearly |
3. | Height Adjustment Shaft Bearings | 1 | 5 | 40 hours |
4. | Deck Drive Belt Idler Arm | 1 | 1 | yearly |
5. | Pump Drive Belt Idler Arm | 1 | 1 | yearly |
∗See 4.1.14 Section c) for special lubrication instructions on the front caster pivots and Section 4.1.15 for special lubrication instructions on the front caster wheel hubs.
No. 5 (Pump Drive Belt Idler Arm) Located Under Engine Frame - Grease through hole in top of engine frame, between pumps.
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.
4.1.15Lubricate caster wheel hubs:
Service Interval: Once Yearly
a)Stop engine, wait for all moving parts to stop, and remove key.
b)Remove caster bolt and caster wheel from caster fork. Remove seal guards from the wheel hub.
c)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.
FIGURE 4
CASTER WHEEL ASSEMBLY
d)Pry out seals, and inspect bearings for wear or damage and replace if necessary.
e)Pack the bearings with a NGLI grade #1
f)Insert (1) bearing, (1) new seal into the wheel.
NOTE: Seals (Exmark PN
g)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.
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