Troubleshooting
Troubleshooting
1. Follow Pressure Relief Procedure, page 5, before checking or repairing gun.
2. Check all possible problems and causes before dis- assembling gun.
Problem | Cause | Solution | |
|
|
| |
| Inadequate air supply pressure or | Increase air supply and/or clear | |
| restricted air lines | restriction | |
|
|
| |
| Closed or clogged valves | Open and/or clear | |
|
|
| |
Pump fails to operate | Clogged fluid lines, hoses, valves, | Relieve pressure. Clear obstruction | |
etc. | |||
|
| ||
|
|
| |
| Damaged air motor | Assess damage and service air | |
| motor | ||
|
| ||
|
|
| |
| Exhausted fluid supply | Refill and reprime or flush | |
|
|
| |
Continuous air exhaust | Worn or damaged air motor gasket | Asses wear or damage and service | |
or seal | air motor | ||
| |||
|
|
| |
| Exhausted fluid supply | Refill and reprime or flush | |
|
|
| |
| Worn pump seals | Replace | |
Erratic pump operation |
|
| |
Damaged shovel tube | Replace | ||
|
|
| |
| Damaged check seat | replace pump piston or shovel rod | |
| (or other damaged part) | ||
|
| ||
|
|
| |
Pump operates, but output low on | Worn piston seal | Replace | |
upstroke | Damaged upper check seat | Replace pump piston | |
|
|
| |
Pump operates, but output low on | Worn fluid intake seal | Replace | |
downstroke | Damaged lower check seat | Replace shovel rod | |
|
|
| |
| Inadequate air supply or restricted | Increase air supply and /or clear | |
| air line | restriction | |
|
|
| |
Pump operates, but output low on | Closed or clogged valves | Open and/or clear | |
|
| ||
Exhausted fluid supply | Refill fluid supply and reprime pump | ||
both strokes | |||
|
| ||
| Clogged fluid lines, hoses, valves, | Relieve pressure. Clear obstruction | |
| etc. | ||
|
| ||
|
|
| |
| Worn seals | Replace | |
|
|
| |
Grease leaking from muffler plates | Worn throat seal | Replace | |
|
|
|
308883S | 11 |