Jacobs Brake 310-312 Parts Book on Caterpillar C10-C12 022040B

For Caterpillar C-10 and C-12 Engines

The Jake Brake® Model 310A is designed and approved for use on all 1996 and later Caterpillar C-10 engines with an engine serial number prefix of 2PN. The Jake Brake® Model 312A is designed and approved for use on all 1996 and later Caterpillar C-12 engines with an engine serial number prefix of 1YN. Information in this manual was current at the time of printing and is subject to change without notice or liability.

PARTS MANUAL

Models 310A/312A

Model 310A and 312A Housing Assemblies Engine Brake Packaged Model Hsg. P/N

Description

310A 310A 312A 312A

019499 021196 021078 022042

Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L Housing assembly, 12 VDC, D/L Housing assembly, 24 VDC, D/L

Ill. No.

Part No.

Qty./ Hsg.

Part Name

1 015561 2 014928 3 011434 4 011823 5 011283 6 012991 7 016505 8 012990 9 012983 10 01-019650

Retaining ring Control valve cover Control valve stop spring Control valve inner spring Control valve Retaining ring Accumulator washer Spring Accumulator piston Solenoid valve assembly, 12V D/L (use with P/Ns 019499/021078) 10 01-021253 Solenoid valve assy., 24 V D/L (use with P/Ns 021196/022042) 11 020229 • Upper seal ring 12 001082 • Center seal ring 13 001083 • Lower seal ring 14 020477 D-Lash™ assembly, 310A 14 020631 D-Lash™ assembly, 312A 15 011395 Hex jam nut 16 021896 Master piston assembly 17 019353 Master piston spring 18 018144 Master piston retainer washer 19 014664 Slave piston 20 014716 Slave piston outer spring 21 014715 Slave piston inner spring 22 013500 Spring retainer 23 011284 Retaining ring

2 2 2 2 2 3 1 1 1

1 2

10

6 7

3 8 4

11 12 13

14 15

9 5

1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2

16 19 17 20

18 6

21 22 23

Control Group P/N 020280, Cab Control Group Ill. No. 1 2 3 NI NI

Part No. 019407 019915 019916 020244 020357

Part Name Switch group • ON/OFF toggle switch • 3-position toggle switch Harness group Control group instructions

Qty./ Engine 1 1 1 1 1

1

2

D/L Dual Lead (Note: Dual-lead solenoid harness is incorporated as part of the engine harness)

3 NI

2

Not Illustrated

PARTS MANUAL FOR MODELS 310A/312A

Attaching Parts 2

Ill. No.

1

3

4

5

Part No.

Part Name

Qty./ Engine

1 2 3 4 5 6

022166 014678 016941 016553 014676 014721

Cylinder head bolt Spacer Stud assembly, brake mounting Hex nut, M12 x 1.75 Screw and pin assembly Lock nut

3 3 6 6 6 6

7 8

019028 015906

Spacer assembly (includes seal) • Seal (one per spacer)

3 3

9 10

014799 014801

Capscrew, 6 x 100 mm Hex-head bolt, 10 x 70 mm

11 10 6 9

18 3

Not Sold Separately -- Source through Caterpillar only 11

7

6I4584

8

Exhaust valve bridge Order listed part number through Caterpillar

6

Service Parts .025 LASH

.045 LASH

2

1

3 4

5

6

PARTS MANUAL FOR MODELS 310A/312A

Ill. No.

Part No.

1 1 2 3

022045 016896 018238 017465

3 4 5

017469 018280 001283

5

020228

6

001282

6

020227

NI 01-019764 NI 019502 NI 021406 NI 021492

Part Name Feeler gage, 0.025” (0.64 mm) Feeler gage, 0.045” (1.14 mm) Slave piston removal tool Tool kit for Jake Brake®, all Caterpillar models Tool kit for all Jake Brake models Oil pressure test kit Solenoid screen retainer (Use w/12 VDC solenoid, P/N 019650) Solenoid screen retainer (Use w/24 VDC solenoid, P/N 021253) Solenoid screen (Use w/12 VDC solenoid, P/N 019650) Solenoid screen (Use w/24 VDC solenoid, P/N 021253) Bridge setting gage Tune-up kit D-Lash™ assembly (6-pack), 312A D-Lash™ assembly (6-pack), 310A

3

Jacobs® and Jake Brake® are registered trademarks and D-Lash™ is a trademark of Jacobs Vehicle Equipment Company 22 East Dudley Town Road Bloomfield CT 06002 P/N 022040B

©1996 Jacobs Vehicle Equipment Company

Printed in USA

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