Service - Graco 700 Instructions Manual

1
3
Apply Loctite 242 sealant or equivalent on
threads and torque to 20 ft-lb (27 N.m).
See Detail D.
Lubricate daily with light oil.
Turn counterclockwise to widen spray pattern. Turn
clockwise to narrow spray pattern.
Turn counterclockwise to increase fluid output.
Turn clockwise to decrease fluid output.
Apply Loctite PST pipe sealant or equivalent on threads.
Fig. 3
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
Relieve pressure before you check or service any
system equipment.
NOTE: The fluid needle spring (7) and the air valve
spring (11) are not interchangeable. The air valve
spring (11) is slightly larger in diameter and will not fit
properly into the fluid valve cavity. See Fig. 3.

Service

9
10
2
22
13
12
17
Air Valve Service
1. If there is air leakage at the air valve needle (12),
remove the trigger and unscrew the air valve as-
sembly. See Fig. 3.
2. Clean and inspect the needle (12), spring (11) and
air valve (13) for wear or damage. Replace if
needed.
3. Apply a few drops of lightweight machine oil to the
air valve needle (12) and reassemble the air valve.
5
6
7
11
23
DETAIL D