Troubleshooting
14
3A8004B
Troubleshooting
1. Follow
before checking or repairing the Switch 3D Gun.
Problem
Cause
Solution
Air leaks from Switch 3D Gun.
Worn gasket.
Replace gasket.
Loose or worn air connections.
Tighten air connections.
Worn o-rings.
Replace o-rings.
Loose end cap screws.
Tighten screws.
Material leaks from front of Switch
3D Gun.
Tip seal or seats are worn.
Replace seat seals.
Replace nozzle head assembly
Replace rod shutoff valve.
Obstruction inside Switch 3D Gun.
Remove nozzle head.
Material leaks from Switch 3D Gun
weep hole.
Seals not installed correctly.
Check rotary seals and replace as
needed.
Seals are worn.
Switch 3D Gun does not shut off.
Loose air connections or air supply
turned off.
Tighten air connections and turn on
air.
Worn rod shutoff valve-seat inter-
face.
Replace nozzle head and rod shut-
off valve rod shutoff valve seat.
Broken piston, debris in air cylinder,
or debris inside the fluid section.
Disassemble Switch 3D Gun.
Check and if necessary replace,
piston, piston rod, and o-rings.
Spring broken or not installed cor-
rectly.
Disassemble Switch 3D Gun.
Check spring and replace if neces-
sary.
Switch 3D Gun does not open or
dispense material.
Loose air connections or air supply
turned off.
Tighten air connections.
Broken rod, piston, or tip. Debris or
cured material inside fluid section.
Disassemble Switch 3D Gun.
Check and if necessary replace,
piston, piston rod, and o-rings.