TM 55-1520-240-23-10
14-6
CLEAN AND INSPECT SPROCKETS, CLUTCH CHAIN AND ROLLER CHAINS (AVIM)
14-6
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Source of Compressed Air
Materials:
Brush (E85)
Dry Cleaning Solvent (E162)
Gloves (E186)
Personnel Required:
Medium Helicopter Repairer
Inspector
Equipment Condition:
Off Helicopter Task
Clutch Chain and Roller Chains Removed (Task 14-5)
Dry cleaning solvent (E162) is
flammable and toxic. It can irritate
skin and cause burns. Use only in
well-ventilated area away from heat
and open flame. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
Do not use more than 30 psi
compressed air for cleaning purposes.
Debris propelled under pressure can
cause injury to eyes. Use source of
compressed air under 30 psi and
eye protection to prevent injury to
personnel.
1.
Dip brush (E85) in solvent (E162). Clean chains
(1), covers (2), and sprockets (3). Dry parts with
low pressure dry air. Use goggles for eyes and
wear gloves (E186).
2.
Check sprockets (3). There shall be no burrs,
nicks, or broken teeth.
3.
Check chains (1). There shall be no broken or
worn links or rollers.
14-27
