Maintenance
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
5. Brake
Brackets
1
2
200 Hours
6. Pump
Drive Belt
Idler Arm
1
1
Yearly
7. Deck
Rear Struts
1
2
40 Hours
* See step 3 for special lubrication instructions on
the front caster pivots and the
Lubricate Caster
Wheel Hubs
section for special lubrication
instructions on the front casters wheel hubs.
Number 6 (Pump Drive Belt Idler Arm) Located
Under Engine Frame-Grease through hole in top
of engine frame, between pumps.
3. 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.
Lubricate Caster Wheel Hubs
Service Interval: Yearly
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
Figure 13
1.
Seal guard
2.
Spacer nut with wrench
flats
2. Remove caster wheel from caster forks.
3. Remove seal guards from the wheel hub.
4. 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.
5. Pry out seals, and inspect bearings for wear or
damage and replace if necessary.
6. Pack the bearings with a NGLI grade #1
multi-purpose grease.
7. Insert one bearing, one new seal into the wheel.
Note:
Seals (Exmark P/N 103-0063) must be
replaced.
8. If the axle assembly has had both spacer nuts
removed (or broken loose), apply a thread locking
adhesive to one 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 inch (3 mm)
from the outer surface of the spacer nut to the
end of the axle inside the nut.
9. Insert the assembled nut and axle into the wheel
on the side of the wheel with the new seal and
bearing.
10. With the open end of the wheel facing up, fill
the area inside the wheel around the axle full of
NGLI grade #1 multi-purpose grease.
11. Insert the second bearing and new seal into the
wheel.
12. Apply a thread locking adhesive to the 2nd spacer
nut and thread onto the axle with the wrench flats
facing outward.
29
Summary of Contents for LAZER Z HP 523
Page 1: ...LAZER Z HP 523 For Serial Nos 720 000 Higher Part No 4500 257 Rev A ...
Page 11: ...Safety 1 633922 1 653147 98 5954 103 2644 103 4892 103 4930 11 ...
Page 12: ...Safety 103 6340 103 9287 107 2102 107 2112 12 ...
Page 13: ...Safety 109 1196 109 3148 109 7949 103 4891 108 5995 1 Fast 2 Slow 3 Neutral 4 Reverse 13 ...
Page 42: ...Service Record Date Description of Work Done Service Done By 42 ...
Page 43: ...43 ...
