SLACK ADJUSTER GP 3196290 - Caterpillar

Grease is under high pressure.Grease coming out of the relief valve under pressure can penetrate the body causing injury or death.Do not watch the relief valve to see if grease is escaping. Watch the track or track adjustment cylinder to see if the track is being loosened.Loosen the relief valve only one turn.
Move the machine forward. Allow the machine to stop without the use of the service brakes. Adjust the tracks while you are in the machine's typical operating conditions. If packing conditions prevail on the workplace, the tracks should be adjusted with packing material.
Illustration 1 g00040329
If a machine does not have carrier rollers, the sag in the track is measured between the sprocket and the front idler. The correct adjustment of dimension (2) is 115 10 mm (4.5 0.4 inch) for machines with the STD undercarriage.The correct adjustment of dimension (2) is 127 10 mm (5.0 0.4 inch) for D7R machines with the LGP undercarriage.
Illustration 2 g00104000
If the machine is equipped with a carrier roller, the sum of the correct adjustment of dimension (3) and dimension (4) is 130 10 mm (5.1 0.4 inch).Loose Track Adjustment
Illustration 3 g00040335
Do not attempt to tighten track when dimension (1) is 138 mm (5.4 inch) or more.Contact your Caterpillar dealer for track service or instructions.
Remove the access cover.
Illustration 4 g00104001
Add multipurpose grease (MPGM) through track adjustment valve (5). Add the MPGM until dimension (2) is correct.
Operate the machine back and forth in order to equalize the pressure. Allow the machine to coast to a complete stop. Do not use the brakes.
Remeasure dimension (2) .Tight Track Adjustment
Illustration 5 g00104002
Remove the access cover.
Loosen relief valve (6) by one turn of 360 degrees. Allow the grease to escape.
Close the relief valve.
Add MPGM through track adjustment valve (5). Add grease until dimension (2) is correct.
Operate the machine back and forth in order to equalize the pressure. Allow the machine to coast to a complete stop. Do not use the brakes.
Remeasure dimension (2). Repeat Steps 4 and 5 until dimension (2) is correct.
Install the access cover.Bolt Torque for Track Shoes
The torque requirement for track shoe bolts is 400 70 N m (300 50 lb ft). Tighten the bolts for an additional 120 degrees. If you are using bolts with a master link, tighten the bolts to a torque of 400 70 N m (300 50 lb ft). Then, tighten the bolts for an additional 180 degrees.