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Miscellaneous—Machine
TD48962,0000229 -19-08SEP20-1/1
VD76477,00001F7 -19-28AUG09-1/1
Replacing Seat Belt
1. Prepare machine for maintenance. See Prepare
Machine for Maintenance. (Section 3-2.)
2. Remove right seat belt-to-seat cap screw (2).
3. Disconnect seat belt switch connector (3).
4. Remove left seat belt-to-seat cap screw (1).
5. Remove seat belt.
6. Clean and inspect parts and repair or replace as
necessary.
7. Install left seat belt-to-seat cap screw and tighten to
specication.
Specication
Left Seat Belt-to-Seat
Cap Screw—Torque......................................................................39 N·m
29 lb·ft
8. Install right seat belt-to-seat cap screw and tighten
to specication.
Specication
Right Seat Belt-to-Seat
Cap Screw—Torque......................................................................39 N·m
29 lb·ft
9. Connect seat belt switch connector.
TX1277013A —UN—23APR19
Left Seat Belt-to-Seat Cap Screw
TX1277014A —UN—23APR19
Right Seat Belt-to-Seat Cap Screw
1— Left Seat Belt-to-Seat Cap
Screw
2— Right Seat Belt-to-Seat Cap
Screw
3— Seat Belt Switch Connector
Track Sag General Information
To maximize undercarriage life, keep track sag within
specication. Tracks may require adjustment several
times during a working day due to changing soil type and
moisture content.
Adjust tracks in the actual operating conditions.
TIGHT TRACK: Packing causes a tight track. If material
packs in the undercarriage, adjust tracks with the material
packed in the components.
While the track spring will recoil and the machine can
continue to operate with a tight track, continued operation
will result in excessive pin and bushing wear, sprocket
popping, tooth tip wear, and excessive loads on the entire
undercarriage and travel drive system.
Machine productivity and fuel consumption are also
adversely affected because increased horsepower is
needed to move the machine.
LOOSE TRACK: A loose track has more side to side
motion, increasing side wear on the links, rollers, and front
idler. An excessively loose track will slap at high ground
speeds, resulting in high impact loads on the sprocket
teeth, bushings, and carrier rollers.
4-1-17
112321
PN=277
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