'ROBLEM
'ump fails to operate
Procedure on
is clogged.
CAUSE
\
SOLUTION
Restricted line or inadequate air
clogged air valves, etc.
Insufficient air pressure; closed or
Exhausted fluid supply
stalling
Damaged air valving mechanism;
Dried fluid seizure of
ment rod
Clear, increase air
Open, clean (be sure to
use
air filter)
pump and fluid
Refill; purge
all
air from
I
and disconnect fluid
If pump
starts
again when
air
is turned on, the
Removing Air Motor
or
Displacement Pump
its stroke.
Flush
pump if possible, then stop
it
at the bottom of
before proceeding.
Follow the Pressure Relief Procedure, on page
6,
Disconnect the air and fluid lines connected to the
pump, and remove the pump from its mounting.
Unscrew
tie rod locknuts
then remove the cotter
pin
and pull the displacement pump away from the
motor.
See
Sea
manual
supplied, for repairing the air
motor.
I
Service air motor
Clean, check or replace
throat packings
at
I
TSL
in wet-cup.
bottom
of
stroke and keep
Fig
3
Summary of Contents for HYDRA-SPRAY 218-058 A
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