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Repair
Disassembly
1.Follow Pressure Relief Procedure. Engage trigger lock.
2.Disconnect fluid hose. Remove RAC tip guard and tip (19 and
3.RAC tip only: use tool to push gasket and seal out back of housing.
ti10637b
4.Using a wrench, remove the cap (4) with spring (5) (releases spring tension on needle).
5.Remove the valve seat (10) and gasket (9).
6. | Holding the needle with | 36 | |
| tool (36) remove the | ||
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| needle retainer (6). |
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7. | Pull the needle (8) out. | 6 | |
8. | Using a socket wrench, | ||
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| remove the seal retainer |
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| (2) from the back of the |
| |
| gun. Use a pick to remove | ti5187a | |
| the gasket (3). |
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9. Clean and replace parts as needed.
If you need to remove the trigger
To avoid losing parts, be ready for two
actuator pins (7) to fall out of the gun body when the trigger (16) is removed.
Repair
3.Before installing trigger, grease the actuator pins (7) and the pivot pin (11a).
XTR 5 Guns
1.Using a socket wrench, remove screw (12) from each side of the gun body and remove trigger.
2.Before installing trigger, grease the actuator pins (7).
Assembly
1.Press a new gasket (3*) into the gun body. Lightly grease the seal retainer (2*) and install. Torque to
2.Lightly grease and replace the needle (8*). Press the needle through the seal retainer.
Caution
Use only tool (36) and fingers to tighten nee-
dle. Do not overtighten or breakage may occur.
3.Apply
4.Lightly grease valve seat (10*) threads. Squeeze the trigger to retract the needle and install gasket (9*) and valve seat (10*). Torque valve seat to
5.Grease and install the spring (5) and cap
(4). Tighten the cap to
Test Gun Before Using
1. | Engage trigger lock. Connect fluid hose to |
| gun. |
2. | Start and prime the pump. |
3. | Disengage the trigger lock and trigger the |
XTR 7 Guns
1.Using a wrench, remove screw (11b) from the pivot pin (11a).
2.Slide the pivot pin (11a) out of the gun body, and remove the trigger (16).
11b
7
16 | 11a | ti5190a |
| gun into a metal waste container. |
4. | Release the trigger. The gun should |
| immediately stop spraying and there should |
| be no leaks. If there is a problem, follow |
| Pressure Relief Procedure. Check |
| through Assembly procedure and correct |
| problem. |
5. | Install tip and tip guard before regular use. |
312145D | 7 |