Service - Graco 960P Instruction Manual

Lubricate Spray Gun
After cleaning or servicing gun, lubricate parts
indicated in Fig. 20 with silicone-free spray gun
lubricant or similar material.
D All threaded areas (A)
D Trigger screws (B)
D Trigger axle (C)
D Fluid needle assembly (D) — where indicated
A
B
C
Fluid Needle Assembly
2 in. (50.8 mm)
D
Fig. 20
1/16 in. (2 mm)
free travel
Fig. 21
16 308336

Service

A
05288
D D
02949, 02950
14 A
Model 980 shown
Replace and Adjust Needle
The needle may need to be adjusted whenever you
change nozzle/needle sizes or to compensate for
wear.
To replace needle:
1. Fig. 21. Remove fitting (22) and spring (23-not
shown) from back of gun.
2. Remove needle (14).
3. Insert new needle (14).
To adjust needle:
4. Hold needle (14) with thumb and push upper
trigger pin (A) with index finger. Fig. 21. Trigger pin
must travel approximately 1/16 in. (2 mm) under
light spring pressure.
5. If there is not 1/16 in. of travel, loosen adjustment
nut (18) and turn drum (17) until trigger pin (A) has
about 1/16 in. (2 mm) free travel before needle
(14) starts to move.
6. Lock adjustment nut (18).
7. Make sure spring (23) is in place in fitting (22),
then install fitting. Hand-tighten fitting.
18
17
8077A
22
More Travel
Less Travel
8669A