IDLER G.-FRONT 1M8868 - Caterpillar

Installation of the Track Chain
Illustration 51 g01160155
Fasten a cable and chain to the track.
Illustration 52 g01160156
Fasten the other end of the cable to another tractor or similar machine to pull the track over the front idler.
Block the other end of the track. Refer to Step 6 in Preparation for Removal of the Track Joint.
Pull the track until the track bushings engage with the sprocket segments on the final drive.
Make sure to pull the cable in a straight line.
Start the machine and turn the final drive in a reverse direction to pull the track together.
Illustration 53 g01160160
Place the lower end of the master link in alignment with the upper end of the master link.Note: Make sure that the teeth of both ends of the master link are engaged properly with no interference.Note: Close one master link so the teeth are in full contact. The other master link should have no more than a 3.2 mm (0.13 inch) gap between the teeth.
Place the master shoe in position.
Start all four master track bolts by hand.
Illustration 54 g01160163
Use Tooling (A) to tighten the master track bolts to the specified preliminary torque in Table 15.Note: Do not force the track bolts if the holes are not aligned or the threads will be damaged.
Table 15
Torque Specifications for the Track Shoe Bolts
Method for the Torque Turn
Sales Model Bolt Size and Threads per Inch Part Number for the Socket Part Number for the Worn Socket Preliminary Torque Additional Turn for the Master Track Bolt Additional Turn for the Standard Track Bolt
D11T/R/N 1 3/8"-12 8T-9174 8T-9175 1500 150 N m (1100.0 110.0 lb ft) 180° 120°
D10T/R/N 1 1/8"-12 1U-8586 1U-8798 870 90 N m (640.0 65.0 lb ft) 120° 120°
D10 1 1/8"-12 1U-8586 1U-8798 870 90 N m (640.0 65.0 lb ft) 180° 120°
D9T/R/N
D9L
589 1"-14 9S-6371(1) 5P-3581(1) 870 90 N m (640.0 65.0 lb ft) 120° 120°
D8T/R/N
587T/R
583T/R
578
PL83
PL87 7/8"-14 9S-6372(1) 5P-3580(1) 650 70 N m (480.0 50.0 lb ft) 120° 120°
5130B
5130 1 3/8"-12 8T-9174 8T-9175 1500 150 N m (1100.0 110.0 lb ft) -- 120°
5110B 1 1/8"-12 1U-8586 1U-8798 870 90 N m (640.0 65.0 lb ft) -- 120°
(1) Use with 9S-4026 Adapter and 9S-4027 Extension
Perform the additional turn on the master track bolts. Refer to Table 15 for the correct additional turn. Follow the correct pattern to tighten the track bolts.Note: Do not tighten the track bolts more than the recommended torque.
All blocks, chains, and tooling should be removed.
Install the remaining track shoes and use Tooling (A) to tighten the standard track bolts to the proper preliminary torque. Refer to Table 15 for the correct torque values.
Perform the additional turn on the standard track bolts. Refer to Table 15 for the correct additional turn. Follow the correct pattern to tighten the track bolts.Track Adjustment Procedure
Refer to the Operation and Maintenance Manual for your machine to