TM 9-2320-363-34-2
CAMSHAFT DRIVE GEAR REPLACEMENT AND REPAIR (CONT)
C L E A N I N G
W A R N I N G
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
Clean parts with solvent and dry with compressed air.
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INSPECT SEAL RING SEALING SURFACE OF GEAR HOUSING ASSEMBLY, THRUST PLATE, AND
HEAD FOR CLEANLINESS, BURRS, OR DAMAGE.
INSPECT WOODRUFF KEY SLOT IN HUB AND DRIVE GEAR FOR EVIDENCE OF CRACKS OR
WEAR. REPLACE CAMSHAFT DRIVE GEAR ASSEMBLY IF KEY SLOT IS DAMAGED.
INSPECT CAMSHAFT DRIVE GEAR TEETH FOR SCORING, PITTING, OR EXCESSIVE WEAR. IF
SCORING, PITTING, OR EXCESSIVE WEAR IS EVIDENT, DISCARD GEAR.
INSPECT CAMSHAFT DRIVE GEAR HUB (1) FOR SCORING, PITTING, OR GALLING. IF
EXCESSIVE, DISCARD HUB. MEASURE DIAMETER (A). MINIMUM DIMENSION SHOULD BE 2.283
IN. (58.0 mm). MEASURE THRUST PLATE CONTACT AREA (B). MINIMUM DIMENSION SHOULD
BE 0.253 IN. (6.45 mm). IF ANY DIMENSIONS ARE BELOW MINIMUM, DISCARD HUB.
INSPECT CAMSHAFT THRUST PLATE (2) FOR SCORING, PlTTING, OR GALLING. IF SCORING,
PlTTING, OR GALLING IS EVIDENT, DISCARD THRUST PLATE. MEASURE THRUST PLATE
CONTACT AREA (C). MINIMUM DIMENSION SHOULD BE 0.437 IN. (11.1 mm). IF MEASUREMENT
IS BELOW MINIMUM, DISCARD THRUST PLATE.
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