Graco AIRPRO 312414D - Manual (Page 15)

Repair
312414D 15
Reassembly
1. Install air control valve assembly (5) with
valve turned fully counterclockwise to out-
ermost position. Torque to 85-90 in-lb
(9.6-10.2 N•m).
2. Install air inlet valve assembly (27) with
valve turned fully counterclockwise to out-
ermost position. Torque to 85-90 in-lb
(9.6-10.2 N•m).
3. Lubricate u-cup spreader (15) and u-cup
packing (16). Install spreader (15) with
tapered end facing rear of gun. Install u-cup
packing (16) with open end facing front of
gun. Install packing nut (17). Torque to
3 in-lb (0.3 N•m).
4. Install wave washer (18) with cupped side
toward the gun body. Lubricate and apply
thread retainer to trigger pin (10). Install
trigger (10), trigger pin (21), and trigger
nut (22). Torque to 15-20 in-lb
(1.7-2.3 N•m).
5. Install air valve assembly (6), spring (28),
and nut (7). Torque to 175-185 in-lb
(19.8-20.9 N•m).
6. Install needle (9) and spring (26). Lightly
lubricate and install fluid control valve (8).
7. Trigger gun while replacing nozzle (11).
Torque to 155-165 in-lb (17.5-18.6 N•m).
8. Install air cap assembly (13) and retaining
ring (14).
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