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WARNING
Before attempting to perform any maintenance on
this gun, relieve All Fluid and Air Pressures!
•
To relieve fluid and air pressures:
•
Turn OFF all air supplies at system except gun trigger
air.
•
Trigger the gun until all fluid pressures have been
relieved.
•
Turn OFF the gun trigger air at the system.
•
Turn proportioner off.
•
Trigger the gun until all trigger air pressure has
been relieved.
Perform Gun maintenance as follows:
1.
Check for leaking seals (34):
•
Engage piston lock.
•
Turn OFF the gun incoming air by closing gun air
switch.
Air Switch
•
Wait approximately 10 - 20 seconds, then turn ON
the incoming air by opening gun air switch.
•
Repeat two or three times.
•
If any material has been purged from the gun, the
seals (34) are leaking, or o-ring (35).
•
Correct leaks by replacing the seals or o-rings and
re-checking.
Section 3 - General Information: Maintenance
2.
Check the material valves, p/n 256459 and 256460 for
any leaks:
•
Turn OFF both material valves.
•
Disengage piston lock.
•
Trigger the gun several times.
•
Wait approximately 10-20 seconds.
•
Trigger the gun several times.
•
If additional material is purged, the material valves
are leaking.
•
Correct the leaks by loosening the set screw and
removing red or blue handle. Turn the valve packing
nut clockwise in 1/8-turn increments until leak is
corrected. Re-check.
1/8
3.
Check side blocks
•
Turn OFF the air switch on the gun.
WARNING
Before removing the side blocks make certain that both
material valves are in the OFF positions and trigger several
times to depressurize fluid in gun!
If the material valves are on when the side blocks are
removed the gun will quickly become encased in urethane!
WARNING
Point gun side blocks down, away from all personnel.
Existing fluid pressures could cause material to exit the
side blocks with considerable force.
15
ti19825a
ti19008a
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