Trigger Replacement - Graco PM8 Repair Instructions

Trigger Replacement

Trigger Replacement Kit (18F172)
Disassembly
1. Follow Pressure Relief Procedure, page 7.
2. Loosen the swivel (33) from the hose and remove
the meter, then move to a work bench for repair.
3. Remove the screws (25) and washers (26) and set
aside for reassembly (F
25
26
F . 24
IG
4. Gently pry the trigger arms (21) apart and remove
from the cam (23) (F
NOTE: The spring (17) and spring guide (18) will need to
be caught and retained for reassembly.
21
F . 25
IG
3A8560C
. 24).
IG
23
. 25).
IG
23
Reassembly
1. Discard the removed trigger and latch components.
2. Install spring (17) and spring guide (18) into the
latch assembly (19) (F
27
F . 26
IG
3. Install the trigger assembly (21) onto the cam (23),
making sure that the spring (17) and spring guide
(18) are situated between the latch (19) and the
valve housing (27) (F
F . 27
IG
4. Reinstall the washer (26) and the screws (25) and
torque to 15 to 25 in-lbs (1.69 to 2.82 N•m), see
F . 24.
IG
. 26).
IG
21
18
19
17
. 27).
IG
27
18
21
Repair
23
17
19
15