TM 55-4920-227-15
Inspection
Monthly
Intervals
Inspect for oil and grease leaks.
Correct or report to direct and
Procedure
general support maintenance any
deficiencies noted
X
X
Appearance. Inspect the general
appearance of the equipment,
organizational personnel for correction.
paying particular attention to
Leaks, general. Inspect for any signs of oil
cleanness, legibility of markings,
X
X
X
leaks, paying particular attention to the
and condition of the paint.
gearcase.
Report any deficiency to
X
X
Frame. Inspect the frame for bent
organizational personnel for correction.
members, cracks, breaks, and
Blower. Inspect the flexible air hose for
loose or missing bolts Report
X
X
X
cracks, breaks or deteriorated condition.
other deficiencies to direct and
Check for adequate air supply, and clean
general support maintenance.
ventilating air passages as required to
X
X
Motors. Inspect the motors for loose
keep a dirt free condition.
or missing mounting bolts.
Tighten or replace loose or
X
--
for any fluctuation.
Report any
missing bolts.
deficiencies to organization personnel for
X
X
Meter.
See that the tachometer
correction.
indicator is securely mounted and
Varidrive.
Observe any indication of
operating properly and that the
X
--
overheating, unusual odors, or noise.
glass is not cracked or the
Report any deficiencies to organizational
indicator bent or broken. Tighten
personnel for correction.
loose mounting screws and
connections. Replace a damaged
or defective meter.
34. Organizational Preventive Maintenance
X
X
Light. Check for proper operation of
indicator light (para. 18). Inspect
Inspection
Monthly
for cracked lens, defective lamp,
X
X
Lubrication. Inspect for missing or
and missing or loose mounting
damaged lubricator fittings and
hardware.
Tighten loose, or
inspect for indications of. improper
replace
missing
mounting
Inspection Monthly lubrication.
hardware.
Replace defective
Inspect the lubricant level in the
lamp, cracked or broken lens.
gearcase.
Section IV. TROUBLESHOOTING
Probable cause
Possible remedy
35. General
Power supply-line voltage ----Use new source.
This section provides information useful in diagnosis
improper.
and correction, inspection, operation, or failure of the
test stand, or any of its components. Each trouble
38. Gears Noisy
symptom stated is followed by a list of probable causes
Probable cause
Possible remedy
of the trouble. The possible remedy recommended is
Generator mounting ------------Tighten screws securing
described opposite the probable cause.
bracket loose.
bracket to the gear case
Oil in gear case low -------------Add oil to proper level.
36. Tachometer Fluctuates
Probable use
Possible remedy
39. Blower Noisy
Varibelt oily or greasy----------Clean varibelt.
Probable cause
Possible remedy
Discs oily or greasy -------------Clean discs.
Fan motor mounting loose ---Tighten motor securely to
support (para. 43).
37. Starter Trips
Blower housing bent ------------Straighten
housing
or
Probable cause
Possible remedy
replace (para. 43).
Excessive load on test --------Decrease load.
Fan lose on motor shaft -------Tighten fan (para. 43).
stand.
AGO 6729A
20
