2941773 HOSE Caterpillar parts
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
Rating:
Alternative (cross code) number:
CA2941773
294-1773
2941773
CA2941773
294-1773
2941773
Weight: 0.44 pounds 0 kg.
EXCAVATOR, MOBILE HYD POWER UNIT,
Compatible equipment models: 2941773:
Number on catalog scheme:
1
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Information:
Probable Causes
Alternator
Charging CircuitRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in order.
Table 1
Troubleshooting Test Steps Values Results
1. Condition of the Alternator Drive Belts
A. Inspect the condition of the alternator drive belts.
B. Check the belt tension. If the engine is equipped with an automatic belt tensioner, check the automatic belt tensioner.
Excessive belt tension can result in damage to the alternator.
Drive belt
Result: The alternator drive belts are in good condition and the belt tension is correct.
Proceed to Test Step 2.
Result: The alternator drive belts are not in good condition or the belt tension is incorrect.
Repair:If the alternator drive belts are worn or damaged, replace the belts. Refer to Disassembly and Assembly for the correct procedure.
If necessary, replace the automatic belt tensioner. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
2. Condition of the Alternator Drive Pulley
A. Check the condition of the alternator drive pulley. Look for deep grooves that have been worn into the pulley by the belt. Check that the nut for the pulley has not become loose.
Alternator Drive Pulley
Result: There is excessive wear on the alternator drive pulley.
Repair: Replace the pulley.
Result: The alternator drive pulley nut was loose.
Repair: Tighten the nut.
Verify that the repair eliminated the problem.
Result: There is not excessive wear on the alternator drive pulley.
Proceed to Test Step 3.
3. Wear of the Alternator Bearings
A. Check the alternator bearings for signs of wear.
Alternator bearings
Result: The alternator bearings are OK.
Proceed to Test Step 4.
Result: The alternator bearings are not OK.
Repair: Repair the alternator or replace the alternator, as needed. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
4. Operation of the Alternator or Regulator
A. Verify that the alternator or the regulator is operating correctly. Refer to Special Instruction, REHS0354, "Charging System Troubleshooting" for the proper testing procedures.
Regulator and alternator
Result: The regulator and alternator are operating properly.
Proceed to Test Step 5.
Result: The regulator and alternator are not operating properly.
Repair: Repair the alternator and regulator or replace the alternator and regulator, as needed. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
5. Inspection of the Charging Circuit
A. Inspect the battery cables, wiring, and connections in the charging circuit.
Charging circuit
Result: The charging circuit is not working properly.
Clean all connections and tighten all connections. Replace any faulty parts.
Verify that the repair eliminated the problem.
Complete the procedure in the order in which the steps are listed.If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).
Alternator
Charging CircuitRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in order.
Table 1
Troubleshooting Test Steps Values Results
1. Condition of the Alternator Drive Belts
A. Inspect the condition of the alternator drive belts.
B. Check the belt tension. If the engine is equipped with an automatic belt tensioner, check the automatic belt tensioner.
Excessive belt tension can result in damage to the alternator.
Drive belt
Result: The alternator drive belts are in good condition and the belt tension is correct.
Proceed to Test Step 2.
Result: The alternator drive belts are not in good condition or the belt tension is incorrect.
Repair:If the alternator drive belts are worn or damaged, replace the belts. Refer to Disassembly and Assembly for the correct procedure.
If necessary, replace the automatic belt tensioner. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
2. Condition of the Alternator Drive Pulley
A. Check the condition of the alternator drive pulley. Look for deep grooves that have been worn into the pulley by the belt. Check that the nut for the pulley has not become loose.
Alternator Drive Pulley
Result: There is excessive wear on the alternator drive pulley.
Repair: Replace the pulley.
Result: The alternator drive pulley nut was loose.
Repair: Tighten the nut.
Verify that the repair eliminated the problem.
Result: There is not excessive wear on the alternator drive pulley.
Proceed to Test Step 3.
3. Wear of the Alternator Bearings
A. Check the alternator bearings for signs of wear.
Alternator bearings
Result: The alternator bearings are OK.
Proceed to Test Step 4.
Result: The alternator bearings are not OK.
Repair: Repair the alternator or replace the alternator, as needed. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
4. Operation of the Alternator or Regulator
A. Verify that the alternator or the regulator is operating correctly. Refer to Special Instruction, REHS0354, "Charging System Troubleshooting" for the proper testing procedures.
Regulator and alternator
Result: The regulator and alternator are operating properly.
Proceed to Test Step 5.
Result: The regulator and alternator are not operating properly.
Repair: Repair the alternator and regulator or replace the alternator and regulator, as needed. Refer to Disassembly and Assembly for the correct procedure.
Verify that the repair eliminated the problem.
5. Inspection of the Charging Circuit
A. Inspect the battery cables, wiring, and connections in the charging circuit.
Charging circuit
Result: The charging circuit is not working properly.
Clean all connections and tighten all connections. Replace any faulty parts.
Verify that the repair eliminated the problem.
Complete the procedure in the order in which the steps are listed.If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).
Caterpillar parts catalog:
Parts hose Caterpillar catalog:
314D CR, 314D LCR, 314E CR, 314E LCR, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D L, 320D2, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L
320B, 320C, 320C FM, 320D, 320D L, 320D LRR, 320D RR, 321C, 322B, 322C, 322C FM, 323D L, 325B, 325B L, 325C, 325C FM, 330C FM, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, ...
320B, 320B U, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 323D L, 323D LN, 323D SA, 323D2 L, 323E L
320B, 320C, 320D, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 L, 320E, 320E LN, 320E LRR, 320E RR, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 323E L
320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 325C, 330B L, 330C L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L, 350
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 320D LN, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 320D LN, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D GC, 320D L, 320D LN, 323D L, 323D LN, 323D SA
2724139
HOSE AS
324D L, 325D L, 330D L, 336E, 336E L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L
324D L, 325D L, 330D L, 336E, 336E L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L
2661135
HOSE AS
324D L, 325D L, 330D L
324D L, 325D L, 330D L
2391425
HOSE AS
320D, 324D L, 325B L, 325C, 325D L, 329D L
320D, 324D L, 325B L, 325C, 325D L, 329D L
2391428
HOSE AS
320D, 324D L, 325B L, 325C, 325D L, 329D L
320D, 324D L, 325B L, 325C, 325D L, 329D L
2391427
HOSE AS
320D, 324D L, 325B L, 325C, 325D L, 329D L
320D, 324D L, 325B L, 325C, 325D L, 329D L
2391426
HOSE AS
320D, 324D L, 325B L, 325C, 325D L, 329D L
320D, 324D L, 325B L, 325C, 325D L, 329D L
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 320D LN, 323D L, 323D LN, 323D SA
2797909
HOSE-AIR
320D, 320D FM, 320D L, 320D2, 320D2 L, 323D L, 323D LN, 323D2 L
320D, 320D FM, 320D L, 320D2, 320D2 L, 323D L, 323D LN, 323D2 L
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
3109500
HOSE AS
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
3109498
HOSE AS
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN
320D, 320D FM, 320D GC, 320D L, 323D L, 323D LN