6921413
SERVICE
45
4.10
Base Unit
4.10-1
Bearing Assembly –
Capscrew Torque Inspection
1000-Hour Inspection
Every 1000 hours perform the following inspection:
1
Check the accessible baseplate capscrews above
upper mounting hooks for an initial torque of:
14J –
38 ft.-lbs. (52 Nm)
18J –
66 ft.-lbs. (90 Nm)
Tighten capscrews to 10 ft.-lbs. (14 Nm) above initial
torque. Mark each capscrew after checking.
• If any baseplate capscrews are loose, rotate or
broken, replace all baseplate fasteners as described
in Section 4.10-2.
• If capscrews do not rotate, continue with faceplate
capscrew inspection in Step 2.
2
Remove the access plug from the back of the baseplate
and rotate the attachment to vertical clamp position.
Check three bearing capscrews closest to the access
hole for an initial torque of:
14J –
47 ft.-lbs. (63 Nm)
18J –
80 ft.-lbs. (110 Nm)
Tighten capscrews 10 ft.-lbs. (14 Nm) above initial
torque. Mark each capscrews after checking.
• If any faceplate capscrews are loose, rotate or
broken, replace all faceplate fasteners as described
in Section 4.10-2.
• If capscrews do not rotate, inspection complete.
2000-Hour Inspection
Every 2000 hours perform the following inspection:
NOTE:
The attachment must be removed from the truck to
provide access to all baseplate capscrews. For bearing
capscrews, remove the baseplate or use access holes to
provide access to all bearing capscrews. Refer to Section
4.10-2.
1
Check all baseplate and bearing capscrews fastened to
the bearing assembly. Tighten until torque is 10 ft.-lbs.
(14 Nm) above torque value listed in the 1000 Hour
Inspection section.
• If any capscrews are loose, rotate or broken, replace
all capscrews as described in Section 4.10-2.
• If capscrews do not rotate, inspection is complete.
RR0658.eps
RR0659.eps
1
2
Baseplate Capscrews
Bearing Capscrews
Access Plug
Baseplate
Baseplate
CL4050.eps
Bearing Assembly
(Baseplate removed)
Faceplate
CC0297.eps
14J Attachments
18J Attachments
Summary of Contents for 14J Series
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