ADAPTER 1U7123 - Caterpillar

Personal injury or death can result from grease under 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 one turn only.If track does not loosen, close the relief valve and contact your Caterpillar dealer.
Keeping the track properly adjusted will increase the service life of the track and drive components.
Note: The track tension must be adjusted according to the current operating conditions. If the soil is heavy, keep the track as slack as possible.Measuring Track Tension
Illustration 1 g00824212
Place a straight edge on the tracks. The straight edge should be long enough to reach from the idler to the carrier roller.
Measure the maximum amount of sag in the track. The sag is measured from the highest point of the track grouser to the bottom of the edge. A track that is properly adjusted will have a slack of 40 to 55 mm (1 5/8 to 2 1/8 inch ).Tightening the Track
Clean the fitting before you add lubricant.
Illustration 2 g00824216
Add lubricant through the fitting until the correct track tension is reached.
Operate the machine back and forth in order to equalize the pressure.
Check the amount of sag. Adjust the track, as needed.Loosening the Track
Illustration 3 g00824215
Loosen the relief valve carefully until the track begins to loosen. One turn should be the maximum.
Tighten the relief valve to 34 5 N m (25 4 lb ft) when the desired track tension is reached.
Operate the machine back and forth in order to equalize the pressure.
Check the amount of sag. Adjust the track, as needed.If you cannot achieve the correct adjustment, consult your Caterpillar dealer.