Graco Inc 312579H important safety instructions Reassembly

Reassembly

1.Install air control valve assembly (5) with valve turned fully counterclockwise to outer- most 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 outer- most position. Torque to 205-215 in-lb (23.2-24.3 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).

Repair

4.Install wave washer (18) with cupped side toward the gun body. Lubricate and apply thread retainer to trigger pin (10). Install trig- ger (10), trigger pin (21), and trigger

nut (22). Torque to 15-20 in-lb (1.7-2.2 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).

17 16 15 ti11226a

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