M0275-01
Model 3700
5-36
Rev. 10/18
TM
Lubrication and Maintenance
1. Raise tires clear of ground and support with jack stand. Remove wheels.
2. Remove dust cap attachment hardware and cap from wheel hub.
3. Remove cotter pin, slotted nut, and 2" washer.
4. Slide hub from axle spindle. Use a hub puller if necessary.
5. Remove bearings and cups from hub and discard. Thoroughly clean and dry wheel hub.
6. Press in new bearing cups with thickest edges facing in.
7. Pack bearing with heavy-duty wheel bearing grease. Thoroughly force grease between roller cone and bearing
cage. Fill space between bearing cups and hub with grease.
8. Place inner bearing in hub and press in new grease seal with lip pointing towards bearing.
9. Clean axle spindle and install hub.
10. Install outer bearing, 2" washer, and slotted nut. Tighten slotted nut while rotating hub until there is some drag. This
ensures all bearing surfaces are in contact. Back off slotted nut to nearest locking slot and install cotter pin. Check
bearing endplay.
11. Fill dust cap half full of wheel bearing grease and install on hub with four hex head cap screws.
12. Install wheels and remove jack stand. Torque
¾
" flange nuts to 380 Nm.
TRANSPORT WHEEL BEARING REPLACEMENT
2" washer
Hub
¾
"-16 flange nut
Inner bearing
Spindle
Dust cap
Outer bearing
Bearing cup
Seal
Cotter pin
2" slotted nut
Hex head
cap screw
Bearing cup
Seal
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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