TM 5-4310-378-14
Table 3-1. Unit Preventive Maintenance
Checks and
Services
Q - Quarterly
M - Monthly
W - Weekly
A - After
D - During
B - Before
EQUIPMENT IS NOT
ITEM TO BE INSPECTED
READY/AVAILABLE IF:
PROCEDURE:
Cracked, frayed, or broken.
Drive Belts. Inspect for damage or broken belts.
With belt tension idler engaged, check belt (1) ten-
sion for 3/8 to 1/2 inch deflection at mid-point
between pulleys. To adjust belt tension, loosen the
four engine hold-down bolts (2) and move engine (3)
until belt tension is 3/8 to 1/2 inch. Tighten the four
hold-down bolts (2).
Loose or cracked.
Drive Pulley. Check for tightness of mounting and
cracks.
Loose or missing hardware.
Governor. Inspect governor mechanism outside of
crankcase for loose or missing springs, bolts, or nuts.
Inspect for dents, bent parts, or other damage.
Looseness or holes in gasket.
Engine Cylinder Head and Gasket. Inspect cylinder
head for secure mounting. Inspect gasket to ensure it
does not have any holes.
Loose or missing hardware.
Mounting Hardware. Check all hardware for secure
mounting and damage. Tighten all loose hardware.
Replace all damaged hardware.
Change 3 3-7