Exmark Lazer HP - Manual (Page 42)

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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: 40 hours for units with grease zerks.
Once Yearly for units without grease zerks.
a) Identify which type of caster wheel is installed on the unit. If there is a
grease zerk on the caster wheel hub (Serial Nos. 237,574 and lower),
lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose
gun grease. If there is no grease zerk (Serial Nos. 237,575 and higher),
follow the instructions in steps b) through i).
b) Stop engine and remove key.
c) Disassemble the caster wheels, pry out seals, and inspect bearings for
wear or damage and replace if necessary.
d) Pack the bearings with a NGLI grade #2 multi-purpose gun grease.
e) Insert (1) bearing, (1) new seal, and (1) bearing spacer .
NOTE: Seals (Exmark PN 103-0063) must be replaced.
f) Insert Caster Spacer.
g) With open end of wheel up, fill area inside wheel around caster spacer with
NGLI grade #2 multi-purpose gun grease.
h) Insert the second (1) bearing, (1) new seal, and (1) bearing spacer.
i) Put wheel and tire assembly on the unit and adjust by tightening the nyloc
nut until wheel will not turn freely. Back nut off 1/6 of a turn so the wheel
will just turn with a slight amount of drag.
IMPORTANT: To prevent seal and bearing damage, check the bearing
adjustment often. Spin the caster tire. The tire should not spin freely
(more than 1 or 2 revolutions) or have any side play. If the wheel spins
freely adjust per step i).
5.1.18 Lubricate seat switch actuator: (All units except for Kohler 26 HP EFI)
Service Interval: 160 hrs.
a) Stop engine and remove key.
b) Tilt seat up.
c) Lubricate switch actuator rod with spray type lubricant or light oil.
5.1.19 Lubricate brake handle pivot:
Service Interval: 160 hrs.
a) Stop engine and remove key.
b) Lubricate bronze bushings on brake handle pivot with a spray type lubricant
or light oil.
No. 6 (Mule Drive Belt Idler Arm)
Located Under Engine Frame
No. 7 (Pump Drive Belt Idler Arm)
Located Under Engine Frame
No. 4,6, & 7 (Idler Pivots) Monthly disassemble
belt and spring and grease under a “No Load”
condition.