Quantcast CYLINDER VALVES AND ASSOCIATED PARTS REPAIR

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TM 9-2815-220-24
CYLINDER VALVES AND ASSOCIATED PARTS REPAIR
THIS WORK PACKAGE COVERS:
Cleaning, Inspection, and Repair
INITIAL SETUP:
Tools and Special Tools:
Personnel Requirements:
General mechanic's tool kit (item 121, WP 0176)
Track Vehicle Repairer (1) 63H10
Outside micrometer caliper set
Equipment Conditions:
(item 17, WP 0176)
Cylinder assembly removed (WP 0133)
Spring resiliency tester (item 118, WP 0176)
Valves removed (WP 0135)
Expendable Materials:
Prussian blue paste (item 25, WP 0173)
CLEANING
1. See Work Package 0028 for General Cleaning Procedures.
INSPECTION
All parts must be inspected with care.
Replace parts if damage or wear exceeds
allowable limits.
1. See Work Package 0028 for General
Inspection Procedures.
2. Inspect exhaust (1) and intake (2) valves for
evidence of pitting, imperfect seating, cracks,
or warping of valve head. Replace damaged
valves.
NOTE
Heavy discoloration, burning,
erosion, or heavy carbon deposit
on valve face indicates a warped
valve. A light frosted appearance
or minor discoloration on valve
face does not indicate a warped or
unserviceable valve.
3. Inspect exhaust (1) and intake (2) valve
2
stems and the locking groove in the stems for
1
pitting, scoring, cracks, or damaged ends.
Replace valves if damage is found.
WP 0145 00-1

 


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