3728275 PISTON Caterpillar parts
320D FM, HH44 DE
Rating:
Alternative (cross code) number:
CA3728275
372-8275
3728275
CA3728275
372-8275
3728275
Weight: 0.71 pounds 0 kg.
EXCAVATOR, HARVESTER HEAD,
Information:
Disassembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     372-6054     Driver Gp     1    Start By:
Remove the service brake accumulator or the parking brake accumulator.Note: This procedure can be used for the service brake accumulator or the parking brake accumulator.
The accumulator is filled with dry nitrogen. Sudden release of nitrogen pressure can cause personal injury.To avoid personal injury, release the nitrogen pressure from the accumulator before disassembly.
Discharge the nitrogen pressure from the accumulator. Refer to Special Instruction, REHS5464, "Accumulator Discharging and Charging Procedures" for the correct procedure to release the nitrogen from the accumulator.
Illustration 1 g03066098
Remove gas valve (1) . Remove elbow (2) .
Illustration 2 g03066340
Use Tooling (A) to remove end cap (3) .
Illustration 3 g03066377
Remove fitting (4) .
Repeat Step 3 for end cap (5) .
Illustration 4 g03066476
Remove piston (6) .
Illustration 5 g03066486
Remove wear rings (7) , end seals and backup rings (8) , and piston seal (9) from piston (6) .
Illustration 6 g03066540
Remove O-ring seal (10) from end cap (3) . Repeat this step for end cap (5) .
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     372-6054     Driver Gp     1    Start By:
Remove the service brake accumulator or the parking brake accumulator.Note: This procedure can be used for the service brake accumulator or the parking brake accumulator.
The accumulator is filled with dry nitrogen. Sudden release of nitrogen pressure can cause personal injury.To avoid personal injury, release the nitrogen pressure from the accumulator before disassembly.
Discharge the nitrogen pressure from the accumulator. Refer to Special Instruction, REHS5464, "Accumulator Discharging and Charging Procedures" for the correct procedure to release the nitrogen from the accumulator.
Illustration 1 g03066098
Remove gas valve (1) . Remove elbow (2) .
Illustration 2 g03066340
Use Tooling (A) to remove end cap (3) .
Illustration 3 g03066377
Remove fitting (4) .
Repeat Step 3 for end cap (5) .
Illustration 4 g03066476
Remove piston (6) .
Illustration 5 g03066486
Remove wear rings (7) , end seals and backup rings (8) , and piston seal (9) from piston (6) .
Illustration 6 g03066540
Remove O-ring seal (10) from end cap (3) . Repeat this step for end cap (5) .
Caterpillar parts catalog:
Parts piston Caterpillar catalog:
1475860
PISTON AS
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320B FM LL, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 32...
311C, 313D2 LGP, 315C, 315D L, 316E L, 318B, 318C, 318D L, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN, 320B, 320B FM LL, 320B L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 32...
1589062
PISTON
318C, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320D, 320D FM, 320D FM RR, 320D2, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 324D L, 325B L, 325C, 325D, 325D L, 329D L, 330B L, 330C, 330D L, 336D L, 345B...
318C, 319C, 319D, 319D L, 319D LN, 320B, 320C, 320D, 320D FM, 320D FM RR, 320D2, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 324D L, 325B L, 325C, 325D, 325D L, 329D L, 330B L, 330C, 330D L, 336D L, 345B...
1453031
PISTON AS
315C, 315D L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 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, 3...
315C, 315D L, 318C, 318E L, 319C, 319D, 319D L, 319D LN, 320C, 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, 3...
1733384
PISTON
318C, 319C, 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, 320E RR, 321C, 321D LCR, 322C, 322...
318C, 319C, 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, 320E RR, 321C, 321D LCR, 322C, 322...
3349981
PISTON AS-PUMP
315D L, 316E L, 318C, 318D L, 318E L, 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, 3...
315D L, 316E L, 318C, 318D L, 318E L, 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, 3...
1915709
PISTON AS
318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 323D L, 323D LN, 323D SA
318C, 319C, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 323D L, 323D LN, 323D SA
1733472
PISTON AS
318C, 319C, 319D, 319D LN, 320C, 320D, 320D FM, 320D FM RR, 320D L, 323D L, 323D LN
318C, 319C, 319D, 319D LN, 320C, 320D, 320D FM, 320D FM RR, 320D L, 323D L, 323D LN
2979155
PISTON
320C, 320C FM, 320D, 320D FM, 320D FM RR, 322C FM, 323D LN, 323D SA, 323E L, 324D FM, 324D FM LL, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, OEMS
320C, 320C FM, 320D, 320D FM, 320D FM RR, 322C FM, 323D LN, 323D SA, 323E L, 324D FM, 324D FM LL, 325C, 325D, 325D L, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, OEMS
2478873
PISTON
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, 320E RR, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 3...
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, 320E RR, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 3...
3244235
PISTON
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
3244236
PISTON
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
3244237
PISTON
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
2495112
PISTON
324D FM LL, 325D FM, 325D FM LL, GLS63
324D FM LL, 325D FM, 325D FM LL, GLS63
2781199
PISTON
525C
525C
2669393
PISTON
525C, 525D, 535C, 535D
525C, 525D, 535C, 535D
4349453
PISTON
525C, 535C, 545C
525C, 535C, 545C
2525864
PISTON
525C, 525D, 535C, 535D, 545C, 545D, 555D
525C, 525D, 535C, 535D, 545C, 545D, 555D
3244237
PISTON
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
2835984
PISTON
320E L, 321D LCR
320E L, 321D LCR
3724127
PISTON
320D FM, HH44 DE, SAT223, SAT318T, SAT322
320D FM, HH44 DE, SAT223, SAT318T, SAT322
1896107
PISTON
320D FM, HH44 DE, SAT223, SAT318T, SAT322
320D FM, HH44 DE, SAT223, SAT318T, SAT322
3724707
PISTON
320D FM, HH44 DE, SAT223, SAT318T, SAT322
320D FM, HH44 DE, SAT223, SAT318T, SAT322
3926626
PISTON AS
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L
3620300
PISTON
320D FM, HH44 DE
320D FM, HH44 DE