Graco Inc. 313889B Paint Sprayer User Manual


 
Repair
313889B 21
Pump Control
Removal
1. Remove two screws (71) and swing cover (70a)
down.
2. Disconnect pump control (70p) lead from control
board (70c).
3. Loosen set screws on pump control knob (70k) and
remove knob, shaft nut, lock washer and pump con-
trol (70p).
4. Remove shaft spacer (70n) from pump control.
Installation
1. Install shaft spacer (70n) on pump control (70p).
2. Install pump control, shaft nut, lock washer, and
pump control knob (70k).
a. Turn pump control shaft clockwise to internal
stop. Assemble pump control knob to strike pin
on cover (70a).
b. After adjustment of step a, tighten both set
screws in knob 1/4 to 3/8 turn after contact with
shaft.
3. Connect pump control lead to control board (70c).
4. Swing cover (70a) up and secure with two screws
(71).
ti13709a
71
71
70a
ti13251a
70p
ti13207a
70k
ti14417a
70n
ti14417a
70p
70n
70k
ti13338a
70k
ti13251a
70p
ti13717a
71
70a