TM 55-1730-229-12
Table 3-2.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES. -- Continued
Internal
B- Before Operation
* Perform if hydraulic system
D- During Operation
was not used for two weeks or
A- After Operation
contamination is suspected.
Daily 8 Hours
Total M/H: 1.2
Operator
Equipment Will
Items to be Inspected
Be Reported Not
Inspection Procedures
B
D
A
Ready/Available if:
HYDRAULIC MODULE (Continued)
*8.2 h.
*8.2
When it is suspected that the AGPU has serviced a
White or milky fluid, burned
contaminated aircraft hydraulic system. Ref. para. 3-10.
smell, or low reservoir.
*8.3 i.
Check to see that all hose connectors are protected with
metal dust caps or environmental plugs
*8.4 j.
Check reservoir vent tube and plug to insure the reservoir
is sealed.
9
AC AND DC POWER CABLES
Inspect cables for damage to insulation, and inspect
Open cuts that expose wires
electrical connectors for damage and freedom from dirt and
or damaged connectors.
corrosion.
10
PNEUMATIC HOSE
Damaged or broken clamps.
Check that hose clamp on AGPU is secure, inspect hose
Splits or cuts in internal hose.
for split or cuts, inspect connector fitting for damage and
freedom from dirt and corrosion.
11
PROPULSION SYSTEM
a.
Inspect front axle assembly for bent or broken components,
Leaf springs broken or
loose or missing components, and leakage of lubricant.
missing. Class II leakage of
oil.
Flat tire on one or more
b.
Inspect tires and wheel for condition (excessive wear, cuts,
wheels.
or foreign objects). Inspect wheels for missing lug nuts.
c.
Inspect tow bar speed/direction control assembly for damage
and loose or missing components, and dented housing.
d.
Broken cable or missing
Inspect brake cable assembly for broken strands, missing or
fasteners.
loose fasteners, and improper operation.
e.
Rear axle broken or cracked.
Inspect rear axle assembly for cracked or dented housing;
bent, missing or broken components; loose or missing
fasteners; broken or missing lubrication fittings; and lubricant
leaks.
Inspect springs for bent or broken spring leaves, and missing
Broken Springs or loose
f.
or loose components.
components.
g.
Inspect traction motor for housing damage; lose or missing
fasteners, broken or loose terminals; loose or missing brush
covers and corrosion or contamination.
h.
Inspect clutch assembly for bent or cracked main housing,
bent or broken components, and loose or missing
components.
