3875068 DOOR AS-ACCESS Caterpillar parts
314E CR, 314E LCR
Rating:
Alternative (cross code) number:
CA3875068
387-5068
3875068
CA3875068
387-5068
3875068
EXCAVATOR,
Information:
Inspection
Inspect the alternator belt and any accessory belts for wear and for cracking. Replace the belts if the belts are not in good condition.To check the belt tension, apply 110 N (25 lb) of force midway between the pulleys. A correctly adjusted belt will deflect 13 to 19 mm (0.50 to 0.75 inch).Slippage of loose belts can reduce the efficiency of the driven components. Vibration of loose belts can cause unnecessary wear on the following components:
Belts
Pulleys
BearingsIf the belts are too tight, unnecessary stress is placed on the components. This reduces the service life of the components.Replacement
For applications that require multiple drive belts, replace the drive belts in matched sets. Replacing one drive belt of a matched set will cause the new drive belt to carry more load because the older drive belts are stretched. The additional load on the new drive belt could cause the new drive belt to fail.Alternator Belt Adjustment
Illustration 1 g00960176
(1) Adjusting nuts
(2) Mounting bolt
(3) Mounting bolt
(4) Mounting bolt
Remove the drive belt guard.
Loosen mounting bolts (2), (3), and (4). Loosen adjusting nuts (1).
Turn adjusting nuts (1) in order to increase or decrease the drive belt tension.
Tighten adjusting nuts (1). Tighten mounting bolts (2), (3), and (4).
Reinstall the drive belt guard. If new drive belts are installed, check the drive belt tension again after 30 minutes of engine operation at the rated rpm.
Inspect the alternator belt and any accessory belts for wear and for cracking. Replace the belts if the belts are not in good condition.To check the belt tension, apply 110 N (25 lb) of force midway between the pulleys. A correctly adjusted belt will deflect 13 to 19 mm (0.50 to 0.75 inch).Slippage of loose belts can reduce the efficiency of the driven components. Vibration of loose belts can cause unnecessary wear on the following components:
Belts
Pulleys
BearingsIf the belts are too tight, unnecessary stress is placed on the components. This reduces the service life of the components.Replacement
For applications that require multiple drive belts, replace the drive belts in matched sets. Replacing one drive belt of a matched set will cause the new drive belt to carry more load because the older drive belts are stretched. The additional load on the new drive belt could cause the new drive belt to fail.Alternator Belt Adjustment
Illustration 1 g00960176
(1) Adjusting nuts
(2) Mounting bolt
(3) Mounting bolt
(4) Mounting bolt
Remove the drive belt guard.
Loosen mounting bolts (2), (3), and (4). Loosen adjusting nuts (1).
Turn adjusting nuts (1) in order to increase or decrease the drive belt tension.
Tighten adjusting nuts (1). Tighten mounting bolts (2), (3), and (4).
Reinstall the drive belt guard. If new drive belts are installed, check the drive belt tension again after 30 minutes of engine operation at the rated rpm.
Caterpillar parts catalog:
Parts door Caterpillar catalog:
4310095
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