Checking Depth Control and Stabilizer Wheel Bolts and Bearings—Drawn

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Tighten Wheel Bolts—Depth Control

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Tighten Wheel Bolts—Stabilizer Wheel
A - Wheel Bolts, Depth Control
B - Nut and Cap Screw
C - Shoulder Nut
D - Wheel Bolts, Stabilizer Wheel
Check tightness of all wheel bolts (A) and wheel pivot bearings
after first 50 hours of operation, then periodically thereafter.
Tighten wheel bolts to specification.
| Item | Measurement | Specification |
|
(A) Wheel Bolt, Grade 5 | Torque | 176 N˙m (130 lb-ft) |
Adjust Depth Control Wheel Bearing—Remove center hub cap and cotter pin. Raise wheel and turn it. Tighten
nut until there is a slight drag on bearings, back off to first hole,
and insert cotter pin. Replace hub cap.
Adjust Stabilizer Wheel Bearing—Remove nut and cap screw (B) and remove wheel between arms. Raise
wheel and turn it. Tighten shoulder nut (C) until there is a VERY slight drag on bearings. Replace wheel assembly
between arms and attach cap screw and nut. Tighten cap screw (B) and
wheel bolts (D) to specification.
| Item | Measurement | Specification |
|
(B) Stabilizer Wheel Arm Bolt, Grade 8 | Torque | 203 N˙m (150 lb-ft) |
| Item | Measurement | Specification |
|
(D) Stabilizer Wheel Bolt, Grade 5 | Torque | 95 N˙m (70 lb-ft) |
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OUO6084,000211D-19-20081006
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