Atlas Copco XRVS 1300 CD7, Instruction Manual

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MAINTENANCE QUICK ACTION FUEL
COUPLINGS
Even with proper selection and installation, quick
action coupling life may be significantly reduced
without a continuing maintenance program.
Frequency should be determined by the severity of
the application and risk potential. A maintenance
program must be established and followed by the user
and must include the following as a minimum:
Visual inspection of quick action couplings:
Any of the following conditions require immediate
shut down and replacement of the quick action
coupling:
•
Cracked, damaged, or corroded quick action
coupling parts.
•
Leaks at the fitting, valve or mating seal.
•
Broken coupling mounting hardware, especially
breakaway clamps.
Visual inspection all other:
•
Leaking seals or port connections.
•
Excess dirt build-up on the coupling locking
means or on the interface area of either coupling
half.
•
Defective clamps, guards, and shields.
•
Fuel level system and any entrapment.
Functional test:
Operate the system at maximum operating pressure
and check for possible malfunctions and freedom
from leaks. Personnel must avoid potential hazardous
areas while testing and using the system.
Replacement intervals:
Specific replacement intervals must be considered
based on previous service life, government or
industry recommendations, or when failures could
result in unacceptable downtime, damage or injury
risk.
BRAKE ADJUSTMENTS
BRAKE SHOE ADJUSTMENT WAGON
•
Tighten the adjustment nut (1) on the wheel brake
with a spanner until the wheel will not rotate in the
direction of travel.
•
Centre the brake shoes by applying the parking
brake several times.
•
Turn back the adjustment bolt (1) by
approximately one turn, until no braking effect
can be felt when the wheel is turned in a forward
direction.
•
Check the position of the brake equalizer
compensators with the parking brake applied.
•
Positioned at right angles to the brake rods = even
play on both wheel brakes.
•
Re-adjust brakes if necessary.
•
As a check, apply the parking brake slightly and
check that the braking effect on the wheels (in the
direction of travel) is the same on the right and on
the left.
(1)