WORK SAFETY - Continued
Hydraulic system pressure must be relieved before disconnecting any hydraulic system line or fitting.
END OF TASK
Before beginning a task, find out how much repair, modification or replacement is needed to fix the roller as
described in this manual. Sometimes the reason for roller failure can be seen right away and complete teardown
is not necessary. Disassemble the roller only as far as necessary to repair or replace damaged or broken parts.
All tags and forms attached to the roller must be checked to learn the reason for removal from service. Check
all Modification Work Orders (MWOs) and Technical Bulletins (TBs) for equipment changes and updates.
In some cases a part may be damaged by removal. If the part appears to be good, and other parts behind it
are not defective, leave it on and continue the procedure. Here are a few simple rules:
Do not remove dowel pins or studs unless loose, bent, broken, or otherwise damaged.
Do not pull bearings or bushings unless damaged. If you must get at parts behind them, pull out bearings
or bushings carefully.
Replace all gaskets, seals, O-rings, performed packings, cotter pins, spring pins, locknuts, and
END OF TASK
· Cleaning compound, solvent MIL-PRF-680 Type III is an environmentally compliant and
low toxic material. However, It may be irritating to the eyes and skin. The use of protective
gloves and goggles is suggested. Use in well-ventilated areas. Keep away from open
flames and other sources of ignition. Improper cleaning methods and use of unauthorized
cleaning solvents may injure personnel and damage equipment. Refer to TM 9-247 for
· Improper cleaning methods and use of unauthorized cleaning solvents may injure
personnel and damage equipment. Refer to TM 9-247 for correct information.
· Fire extinguishers should be placed nearby when using cleaning compound, solvent.
· Cloths or rags saturated with cleaning compound, solvent must be disposed of IAW
authorized facilities procedures.
· Eye shields must be worn when cleaning with a wire brush. Flying rust and metal particles
may cause injury.
· Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa)
nozzle pressure when drying parts with compressed air. Use a maximum of 30 psi
(207 kPa) when cleaning components. DO NOT direct compressed air against human
skin. Failure to follow this warning may cause injury or death. Make sure air stream is
directed away from user and other personnel in the area. To prevent injury, user must
wear protective goggles or face shield.