TM
Model 3700
M0275-01
Rev. 10/18
5-35
Lubrication and Maintenance
1. Raise tire clear of ground and remove wheel.
2. Remove double jam nuts and slide hub from spindle.
3. Remove bearings and cups and discard if bearings are being replaced. Clean hub and dry. Remove bearings
only and not cups if repacking.
4. Press in new bearing cups with thickest edge facing in. (Bearing replacement procedure only.)
5. Pack bearings with heavy duty wheel bearing grease thoroughly forcing grease between roller cone and bearing
cage. Fill space between bearing cups and hub with grease.
6. Place inner bearing in place.
7. Clean spindle and install hub.
8. Install outer bearing and jam nut. Tighten jam nut while rotating hub until there is some drag. This ensures all
bearing surfaces are in contact. Back off jam nut
¼
turn or until there is only slight drag when rotating hub. Install
second jam nut to lock against first.
9. Install wheel on hub. Tighten hardware evenly.
LIFT/GROUND DRIVE WHEEL BEARING REPACK OR REPLACEMENT
Spindle
Inner bearing
Hub
Bearing cup
Bearing cup
Outer bearing
Jam nuts
Uncontrolled machine movement can
crush or cause loss of control resulting
in death, serious injury, or damage to
property and equipment. Install all safety
lockup devices before working under or
transporting this equipment.
WARNING
Summary of Contents for 3700
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