FIRING ORDER (INJECTION SEQUENCE) - TM-5-2815-232-140082

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TM-5-2815-232-14 Engine Diesel Caterpillar Model 3508 Manual

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FUEL SYSTEM

3500 ENGINE

SYSTEMS OPERATION

ENGINE DESIGN

ENGINE

SPECIFICATIONS

3508

3512

3516

60 V-12

60 V-16

60 V-8

NUMBER AND ARRANGEMENT

OF CYLINDERS

VALVES PER CYLINDER

DISPLACEMENT

34.5 LITER 51.8 LITER 69.1 LITER

(2105 cu. in.) (3158 cu. in.) (4210 cu. in.)

BORE

170mm (6.7 in.)

STROKE

190mm (7.5 in.)

COMPRESSION RATIO

13:1

TYPE OF COMBUSTION

Direct Injection

VALVE

Intake

0.38mm (.015 in.)

SETTING

Exhaust

0.76mm (.030 in.)

FIRING ORDER (INJECTION SEQUENCE)

ENGINE

SAE STANDARD ROTATION*

SAE OPPOSITE ROTATION*

3508

1-2-7-3-4-5-6-8

1-8-7-2-6-5-4-3

3512

1-12-9-4-5-8-11-2-3-10-7-6

1-4-9-8-5-2-11-10-3-6-7-12

3516

1-2-5-6-3-4-9-10-15-16-11-12-13-14-7-8

1-6-5-4-3-10-9-16-15-12-11-14-13-8-7-2

Direction of Rotation (as viewed from flywheel end):

SAE Standard Rotation----------Counterclockwise

SAE Opposite Rotation--------Clockwise

NOTE:

Front end of engine is opposite the flywheel end. Left side

and right side of engine are as seen from flywheel end,

No. 1 cylinder is the front cylinder on the right side. 64No.

2 cylinder is the front cylinder on the left side.