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Service
Service
Refer to Parts Drawing, page 5, for following instruc-
tions.
Disassembly
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).
Troubleshooting
Problem
Grease Flows with trigger release
No grease flow when trigger pulled
Grease is leaking out of bottom of gun
Grease is leaking out of the top of gun
Short seal life
Trigger will not move
4
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.
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. (F
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.
Cause
Damaged Ball
Damaged Seat
Out of Adjustment
Missing Ball
Out of Adjustment
Plugged Seat
Disassembled Plunger and Rod
Loose Bottom Adapter
Missing Copper Gasket
Worn Copper Gasket
Worn Seal in top of gun
Worn plunger rod
Bent guard
Bent pivot pin
Damaged handle
Get other manuals https://www.bkmanuals.com
. 1) Back off nut approxi-
IG
Solution
Install Service Kit
Install Service Kit
Readjust, see Adjustment, page 3
Install Service Kit
Readjust, see Adjustment, page 3
Clean seat
Reassemble
Tighten adapter (F
. 1)
IG
Install Service Kit
Install Service Kit
Install Service Kit
Install Service Kit
Replace guard
Install Service Kit
Replace trigger
309032L
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