-17-
142646 - Strawmaster PRO (21-June-2018)
Service & Maintenance
WHEEL HUB REPAIR
DISASSEMBLY
1. Remove dust cap.
2. Remove cotter pin from nut.
3. Remove nut and washer.
4. Pull hub off spindle.
5. Dislodge the inner cone
bearing and dust seal.
6. Inspect cups that are press
fitted into hub for pits or
corrosion and remove if
necessary.
7. Inspect and replace defective
parts with new ones.
ASSEMBLY
1. If cups need replacing, be
careful to install them gently
and evenly into hub until they
are fully seated.
2. Apply a thick wall of grease
inside hub. Pack grease in
cones.
3. Install inner cone and dust
seal as illustrated.
4. Position hub onto
spindle and fill
surrounding cavity with
grease.
5. Assemble outer cone, washer
and nut.
6. Tighten nut while rotating hub
until there is a slight drag.
7. Turn nut back approximately
1/2 turn to align cotter pin
hole with notches on nut.
8. Install cotter pin and bend legs
sideways over nut.
9. Fill dust cap half full of grease
and gently tap into position.
10. Pump grease into hub through grease fitting until
lubricant can be seen from dust seal.
COMMON
HUB & SPINDLE
COMPONENTS
Dust
Seal
Inner
Cone
Inner
Cup
Hub
Outer
Cup
Outer
Cone
Flat Washer
Slotted Nut
& Cotter Pin
Dust Cap
Spindle
IMPORTANT
:
Be sure
to block up unit securely
before removing tires.
Wheel Tightening Procedure
1. Install and
hand tighten
nuts/bolts.
2. Tighten to approx.
20% Torque
value using the
Bolt
Star or CrissCross
patterns shown above.
3. Tighten to
Full Torque
value using the
Star or
CrissCross
pattern.
4. If applicable, install
Rear Locknuts
using
Wheel
Torque Values
.
Wheel Nut/Bolt Torque
Size lb.ft (N.m)
9/16 120-130 (165-175)
5/8 185-190 (250-260)
3/4 280-300 (380-405)
BOLT PATTERNS
2
1
6
5
3
4
6 BOLT PATTERN
2
1
3
4
5
7
8
8 BOLT PATTERN
1
2
3
4
5
5 BOLT PATTERN
1
2
3
4
6
5
7
9
10
8
10 BOLT PATTERN
WHEEL NUT & WHEEL BOLT TORQUE
TORQUE
WHEEL NUT / BOLT TORQUE
1. The Recommended 5/8 wheel nut/bolt torque for
this implement is 185-190 lb.ft (250-260 N.m)
2. When attaching the wheel, tighten to this
specifications. Check again after approximately
500 revolutions and re-tighten as required.
3. Check wheel bolts twice annually to ensure proper
bolt torque.