7X0302 BOLT Caterpillar parts
615C, 621E, 621F, 621G, 623E, 623F, 623G, 627E, 627F, 627G, 776C, 776D, 777, 777B, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B, 824G, 825G, 826G, 980G, 994, C18, CX31-C18I, CX35-C18I, D1...
Rating:
Alternative (cross code) number:
CA7X0302
7X-0302
7X0302
CA7X0302
7X-0302
7X0302
Weight: 0.23 pounds 0 kg.
Information:
GRIP LENGTH
158.75
mm
HEAD HEIGHT
7.37
mm
HEX SIZE
14.29
mm
LENGTH
190.5
mm
MATERIAL
Steel 1035 MPa Min Tensile Strength Rc 33-39
THREAD SIZE
.38-16
COATING/PLATING
Zinc-Dichromate Coating
INDUSTRIAL ENGINE, WHEEL TRACTOR,
Compatible equipment models: 7X0302:
Number on catalog scheme:
13
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Information:
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-3601 Piston Ring Expander 1
C 4C-8165(1)
or
208-7630(2) Piston Ring Groove Gauge 1
(1) Use with C11 Engines only
(2) Use with C13 Engines only
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Verify correct assembly of the pistons and the connecting rods. Ensure that the etched numbers on the rod and the rod cap are in the correct positions. The etched number on the rod and the rod cap correspond to the cylinder in which it should be installed.
Note: The word "FRONT" may be stamped on the pistons in some engines. Ensure that the word "FRONT" is toward the front of the engine when the piston is installed. The etched number on the connecting rod must be on the right side of the engine in the corresponding cylinder. Ensure that the piston and the etched number are correctly positioned.Note: Inspect condition of all piston ring grooves. Use Tooling (C) to verify diameter of top ring groove. Refer to Tool Operating Manual, NEHS0840 for additional information.
Illustration 1 g01319591Note: Ensure that new bearing (4) is installed prior to assembly of the piston.Note: Careful handling is required for fractured connecting rods. Fractured faces for the connecting rod and connecting rod cap should not be placed on any surface. The connecting rod and the connecting rod cap should be placed on the sides in order to prevent damage. When possible, the connecting rod and the connecting rod cap should be bolted together in order to prevent damage.
Place piston (2) on connecting rod (5). Apply clean engine oil to piston pin (6) and install the piston pin.
Install retaining rings (3).
Check the clearance between the ends of piston rings (1). Refer to Specifications, "Piston and Rings". Note: The oil ring must be installed over the spring with the end gap 180 degrees from the oil ring spring joint.
Install the oil control piston ring. The ends of the spring should be rotated 180 degrees from the ring end gap.
Install the intermediate piston ring with the side marked "UP-2" toward the top of the piston. Use Tooling (A) in order to install the ring.
Install the top piston ring with the side marked "UP-1" toward the top of the piston. Use Tooling (A) in order to install the ring.
After installation, all three of the piston rings should be placed 120 degrees away from each other. End By:
Install the pistons and the connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Install".
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-3601 Piston Ring Expander 1
C 4C-8165(1)
or
208-7630(2) Piston Ring Groove Gauge 1
(1) Use with C11 Engines only
(2) Use with C13 Engines only
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Verify correct assembly of the pistons and the connecting rods. Ensure that the etched numbers on the rod and the rod cap are in the correct positions. The etched number on the rod and the rod cap correspond to the cylinder in which it should be installed.
Note: The word "FRONT" may be stamped on the pistons in some engines. Ensure that the word "FRONT" is toward the front of the engine when the piston is installed. The etched number on the connecting rod must be on the right side of the engine in the corresponding cylinder. Ensure that the piston and the etched number are correctly positioned.Note: Inspect condition of all piston ring grooves. Use Tooling (C) to verify diameter of top ring groove. Refer to Tool Operating Manual, NEHS0840 for additional information.
Illustration 1 g01319591Note: Ensure that new bearing (4) is installed prior to assembly of the piston.Note: Careful handling is required for fractured connecting rods. Fractured faces for the connecting rod and connecting rod cap should not be placed on any surface. The connecting rod and the connecting rod cap should be placed on the sides in order to prevent damage. When possible, the connecting rod and the connecting rod cap should be bolted together in order to prevent damage.
Place piston (2) on connecting rod (5). Apply clean engine oil to piston pin (6) and install the piston pin.
Install retaining rings (3).
Check the clearance between the ends of piston rings (1). Refer to Specifications, "Piston and Rings". Note: The oil ring must be installed over the spring with the end gap 180 degrees from the oil ring spring joint.
Install the oil control piston ring. The ends of the spring should be rotated 180 degrees from the ring end gap.
Install the intermediate piston ring with the side marked "UP-2" toward the top of the piston. Use Tooling (A) in order to install the ring.
Install the top piston ring with the side marked "UP-1" toward the top of the piston. Use Tooling (A) in order to install the ring.
After installation, all three of the piston rings should be placed 120 degrees away from each other. End By:
Install the pistons and the connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Install".
Cat SIS web machinery list:
Parts bolt Caterpillar catalog:
815, 824B, 825C, 834B, 980C, 980F, 988B, D10N, D10R, D10T, D10T2, D25C, D25D, D30C, D350C, D35C, D35HP, D400, D40D, R1700 II
120M, 12M, 14M, 16M, 345B II, 345C, 345C L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 5080, 5090B, 5110B, 525B, 525C, 53...
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14G, 14H, 14H NA, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16G, 16H, 16H NA, 16M, 24H, 24M, 785B, 785C, 789B, 789C, 793B, 79...
789, 789B, 789C
773, 773B, 773D, 773E, 776, 777
776, 777
824G, 824G II, 844, 844H, 854G, 854K, CS-323, D10N, D10R, D11N, D11R
AE40 II, D10, D10N, D10R, D11N, D11R, D11T, D9G, D9N, D9R, D9T
D10N, D10R, D10T
D10N, D10R, D10T
D10N, D10R, D10T, D10T2
D10, D10N, D10R, D10T, D10T2
311D LRR, 311F LRR, 374D L, 374F L, C9, D6R, D6R III, D6R STD, D6T, D6T LGP, D6T LGPPAT, D6T XL
1564626
BOLT
C32
C32
311D LRR, 311F LRR, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D2, 315D L, 316E L, 318D2 L, 318E L, 319D L, 319D LN, 320D, 320D L, 320D LRR, 320D RR, 320D2, 320D2 L, 320E, 320E L, 320E L...
1880709
BOLT
G3520B, SPS342
G3520B, SPS342
2600406
BOLT
3516, CX31-C13I, CX31-C15I, CX31-C18I, CX31-P600, CX35-P800, G3508, G3508B, G3512, G3512B, G3516, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616, TH35-C11I
3516, CX31-C13I, CX31-C15I, CX31-C18I, CX31-P600, CX35-P800, G3508, G3508B, G3512, G3512B, G3516, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616, TH35-C11I
1988035
BOLT
G3508, G3512, G3516, G3516B, G3520B
G3508, G3512, G3516, G3516B, G3520B
730C, CX28, CX31, CX31-C13I, CX31-C15I, CX31-C18I, CX31-C9I, CX31-P600, CX35, CX35-C18I, CX35-P800
2770359
BOLT
CX35, CX35-C18I, CX35-P800
CX35, CX35-C18I, CX35-P800
797F, CX35, CX35-C18I, CX35-P800, D7R II
AP-1055D, BG-2455D, BG-260D, CX31, CX31-C13I, CX31-C15I, CX31-C18I, CX31-P600, CX35-C18I, CX35-P800
3551624
BOLT
12M 2, 140M 2, 160M 2, 336E, 336E HVG, 336E L, 336E LH, 336E LN, 349E, 349E L, 349E L HVG, 349E L VG, 568 FM LL, 966K, 972K, 980K, 980K HLG, C13, C15, C18, C9.3, CX31-C13I, CX31-C18I, CX35-C18I, D6T L...
12M 2, 140M 2, 160M 2, 336E, 336E HVG, 336E L, 336E LH, 336E LN, 349E, 349E L, 349E L HVG, 349E L VG, 568 FM LL, 966K, 972K, 980K, 980K HLG, C13, C15, C18, C9.3, CX31-C13I, CX31-C18I, CX35-C18I, D6T L...
3196699
BOLT
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 311D LRR, 312D, 312E, 314D LCR, 319D, 319D L, 319D LN, 323D LN, 323D SA, 773F,...
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 311D LRR, 312D, 312E, 314D LCR, 319D, 319D L, 319D LN, 323D LN, 323D SA, 773F,...