TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 1233 of 1563
TM 9-2815-220-24
CAMSHAFT, DRIVE GEARS, AND ASSOCIATED PARTS REPLACEMENT
0146 00
THIS WORK PACKAGE COVERS:
WP 0146 00-1
Removal, Disassembly, Cleaning, Inspection, Assembly, and Installation
INITIAL SETUP:
Tools and Special Tools:
General mechanic’s tool kit (item 121, WP 0176)
Inside micrometer caliper set (item 16, WP 0176)
Mechanical puller (item 89, WP 0176)
Outside micrometer caliper set
(item 17, WP 0176)
Retaining ring pliers (item 79, WP 0176)
Telescoping gauge set (item 54, WP 0176)
Thickness gauge blade (item 55, WP 0176)
Thickness gauge blade (item 56, WP 0176)
Thickness gauge blade (item 57, WP 0176)
Torque wrench, 0-175 foot-pounds
(item 127, WP 0176)
Mandatory Replacement Parts:
Air duct hose (item 181, WP 0175)
Gasket ( item 361 WP 0175)
Inter-cylinder sleeve (5) (item 248, WP 0175)
Lock washer (3) (item 95, WP 0175)
Lock washer (2) (item 93, WP 0175)
Mandatory Replacement Parts (Continued)
O-ring (item 69, WP 0175)
O-ring (item 61, WP 0175)
O-ring (item 5, WP 0175)
Self-locking nut (4) (item 139, WP 0175)
Expendable Materials:
Lubriplate (item 23, WP 0173)
Prussian blue paste (item 25, WP 0173)
Personnel Requirements:
Track Vehicle Repairer (1) 63H10
Equipment Conditions:
Rocker arm covers removed (WP 0104)
Fuel/water separator filter bracket removed for
left side camshaft replacement (WP 0164)
Shrouds removed (WP 0055)
CAUTION
Camshaft valve timing must be accomplished after completion of this
work package (Work Package 0035, Intake and Exhaust Valve
Timing).
REMOVAL
NOTE
Left and right bank camshafts, drive gears and associated parts are
replaced the same way.
This work package replaces only one.
The
differences will be noted in the work package.
Cylinders are equipped with replaceable camshaft bearings.
The
bearing half in the cover should remain with the cover.
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