3878412 GEAR-FUEL PUMP Caterpillar parts
323D2 L, 535D, 545D, 924K, 930K, 938K, 950 GC, C7.1, D6K2
Rating:
Alternative (cross code) number:
CA3878412
387-8412
3878412
CA3878412
387-8412
3878412
Weight: 3 pounds 1 kg.
EXCAVATOR, WHEEL SKIDDER,
Compatible equipment models: 3878412:
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Information:
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Be sure to mark the orientation of each of the gears for installation purposes.
Illustration 1 g01039503
Remove bolts (2) and thrust plate (1) .
Illustration 2 g00576209
Remove seal assembly (3) and adapter (4) .
Illustration 3 g00576240
Remove O-ring seals (5) and (6) from seal assembly (3) .
Illustration 4 g00576202
Remove bolts (8), plate (9), and adjustable idler gear (7) .
Illustration 5 g01039614
Check the condition of bearing (10) in adjustable idler gear (7). If bearing (10) is worn or damaged, use a new part for replacement. Use Tooling (A) to replace bearing (10) in adjustable idler gear (7) .
Illustration 6 g00576203
Remove bolts (12), plate (13), and idler gear (11) .
Illustration 7 g00576204
Check the condition of bearing (14) in idler gear (11). If bearing (14) is worn or damaged, use a new part for replacement. Use Tooling (A) to replace bearing (14) in idler gear (11) .
Illustration 8 g00576205
Remove bolts (16), plate (17), and cluster gear (15) .
Illustration 9 g01039616
Check the condition of bearing (18) in cluster gear (15). If bearing (18) is worn or damaged, use a new part for replacement. Use Tooling (A) to replace bearing (18) in cluster gear (15) .
Illustration 10 g00576208
Note: Shaft assemblies (19) and (20) must be removed in order to remove plate (23) .Note: If the nuts and the bolt for shaft assembly (19) are loosened, or if shaft assembly (19) is removed or moved in any way, the backlash for the camshaft gear and adjustable idler gear (7) will need to be readjusted at assembly. The backlash will also need to be readjusted if the cylinder head was replaced. Refer to Testing and Adjusting, "Gear Group (Front) - Time".
Check the condition of shaft assembly (19). If the bearing diameter of the shaft is worn or damaged, remove the nuts and the bolt and replace shaft assembly (19) with a new part.
Check the condition of shaft assembly (20). If the bearing diameter of the shaft is worn or damaged, remove the nuts and the bolt and replace shaft assembly (20) with a new part.
Check the condition of shaft (21). If the bearing diameter of the shaft is worn or damaged, remove bolts (22) and replace shaft (21) with a new part.
Remove bolts (24) that hold plate (23) to the cylinder block. Remove plate (23) .
Illustration 11 g01039504
Remove gasket (25) and O-ring seals (26) from the cylinder block.Note: On newer blocks, an integral seal is used instead of O-rings (26) and gasket (25) .
Parts gear Caterpillar catalog:
315C, 315D L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 3...
315C, 315D L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 3...
315C, 315D L, 318C, 318E L, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR...
315C, 315D L, 318C, 318E L, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR...
318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320...
318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320...
318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320...
318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320...
318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320...
527, 953D, 963D, D5H, D5H XL, D5HTSK II, D5R LGP, D6K, D6K LGP, D6K XL, D6K2, D6K2 LGP, D6M, D6N, D6N LGP, D6N OEM, PL61
527, 953D, D5H, D5H XL, D5HTSK II, D5R LGP, D6K, D6K LGP, D6K XL, D6K2, D6K2 LGP, D6M, D6N, D6N LGP, D6N OEM, PL61
515, 525, 730, 730C, 735, 936F, 938F, 938G, 938G II, 950 GC, 950F, 950F II, 950G, 960F, 962G, D300E II, D350E II, IT38F, IT38G, IT38G II, R1300, R1300G, R1300G II
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
3615600
GEAR AS-IDLER
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
3600444
GEAR AS
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
3615595
GEAR-CRANKSHAFT
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621K, 623K, 627K, 730C, 980M, 982M, C13
4202042
GEAR AS
3516B, 854G, 992G
3516B, 854G, 992G
6L3545
GEAR (28 TEETH)
G379, G399
G379, G399
3304, 3306
7L4974
GEAR (12 Teeth)
3304, 3306, 3406
3304, 3306, 3406
8L5651
GEAR (42 Teeth)
3304, 3306
3304, 3306
1W1878
GEAR
D398
D398
6L8853
GEAR
D398
D398