DeVilbiss AGGS-522 - Service Checks

10 © 2007 ITW Finishing Systems and Products
E
SERVICE CHECKS
CAUSE CORRECTION
A
1) No pressure at the gun
2) Piston stops moving
A
1) Check air/material lines
2) Check adjusting knob (36)
B-C
1) Material build-up on air cap/fluid
tip
2) Worm or damaged seal (5)
B-C
1) Clean air cap/fluid tip
2) Replace seal.
D
1) Material too thick or too much
D
1) Thin or reduce material flow
E
1) Not enough material
E
1) Reduce air pressure or increase
material flow
F
1) Insufficient material in tank or an
obstruction in the hose.
2) Gun material passage blocked
3) Worn packing (12)
4) Loose or damaged fluid tip
F
1) Fill tank or clear obstruction
2) Clean.
3) Replace.
4) Tighten or replace.
G
1) Packing worn (12)
2) Rough needle shaft (16)
G
1) Replace packing
2) Polish contact point with packing with
fine emery cloth
H
1) Worn packing (12)
2) Worn or damaged fluid tip (3) or
needle (16)
3) Worn seals
H
1) Replace
2) Replace
3) Replace valve (18).