Caterpillar — Track Installation
Installation
From a Caterpillar service manual covering: Challenger 65, Challenger 70, Challenger 75, Challenger 85, Challenger 95. Check it applies to your exact model before use.
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Before you start
- Care is needed or track damage can occur with the forks.
- Skip to Alignment section after step 7; fittings stay in place until alignment is complete.
Procedure
- Reinstall the inside front idler using 2 positioning bolts; use a pilot pin.
- Position the track over the drivewheel, under the midroller, and up and over the inside front idler.
- Reinstall the outside front idler and torque bolts in a criss-cross sequence in 2 passes.
- Reconnect the detensioning hose if removed earlier.
- Start the machine, move the #1 lever to retract and tension the track; hold at least 30 seconds.
- Shut down and move the #1 implement lever to float briefly, then back to neutral.
- Disconnect the detensioning hose from the rear and the T fitting and the short hose between cylinders.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Front Idler Bolts: 52 ft-lbs (1st pass)
- Front Idler Bolts: 848 ft-lbs (final pass)
- Front Spindle Bolts: Standard Torque
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.