Service
Service
Refer to Parts Drawing, page 5, for following instruc- tions.
Disassembly
9.Push plunger rod (15) through seal (4). Be careful; seat (14), ball (2), and copper gasket (6) will fall out bottom.
10.Replace all parts included in service kit 243446.
11.Reassemble valve.
1.Relieve the pressure. See Pressure Relief Proce- dure on page 3.
2.Check all parts thoroughly when disassembling and carefully replace any worn or damaged parts.
3.Remove bottom seat adapter (10) from grease fun body (9).
4.Remove acorn nuts (1) and bolts (17) from trigger guard (12). Remove trigger guard (12).
5.Remove outlet adapter (7).
6.Remove hex nuts (5).
7.Remove yoke (16).
8.Remove rod guide (18) from grease gun body (9).
To reduce the risk of serious injury after servicing valve, always make sure the valve is in the closed position with trigger released.
12.With trigger in free position tighten bottom nut (5) until yoke bottoms out on rod guide (this is the max- imum flow setting. (FIG. 1) Back off nut approxi- mately 1/8 turn. Hold bottom nut in place and securely tighten top nut.
13.If additional adjustment is desired, follow adjustment procedure on page 3.
14.For specific operational problems, see Trouble Shooting.
Troubleshooting
Problem | Cause | Solution | |
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| Damaged Ball | Install Service Kit | |
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Grease Flows with trigger release | Damaged Seat | Install Service Kit | |
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Out of Adjustment | Readjust, see Adjustment, page 3 | ||
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| Missing Ball | Install Service Kit | |
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| Out of Adjustment | Readjust, see Adjustment, page 3 | |
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No grease flow when trigger pulled | Plugged Seat | Clean seat | |
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| Disassembled Plunger and Rod | Reassemble | |
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| Loose Bottom Adapter | Tighten adapter (FIG. 1) | |
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Grease is leaking out of bottom of gun | Missing Copper Gasket | Install Service Kit | |
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| Worn Copper Gasket | Install Service Kit | |
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Grease is leaking out of the top of gun | Worn Seal in top of gun | Install Service Kit | |
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Short seal life | Worn plunger rod | Install Service Kit | |
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| Bent guard | Replace guard | |
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Trigger will not move | Bent pivot pin | Install Service Kit | |
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| Damaged handle | Replace trigger | |
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4 | 309032L |
