General Repair Information - Graco 310778N Repair Manual

WARNING
MOVING PARTS HAZARD
To reduce risk of serious injury, do not touch moving
parts with fingers or tools while testing repair. Shut off
sprayer when repairing. Install all covers, gaskets,
screws and washers before operating sprayer.
1. Keep all screws, nuts, washers, gaskets, and electrical
fittings removed during repair procedures. These parts
are not normally provided with replacement assemblies.
2. Test repair after problem is corrected.
3. If sprayer does not operate properly, review repair
procedure to verify procedure was done correctly. If
necessary, see Troubleshooting Guide, page 7, for other
possible solutions.
WARNING
HOT SURFACES HAZARD
EXPLOSION HAZARD
Hydraulic system and engine may be very hot during
operation and could burn skin if touched.
Flammable materials spilled on hot engine could
cause fire or explosion.
4. Install belt guard before operation of sprayer and replace
if damaged. Belt guard reduces risk of pinching and loss
of fingers; see preceding WARNING.
Grounding
Ground sprayer with grounding clamp to earth ground
for safe sprayer operation. Fig. 1.
F . 1
IG
310778N

General Repair Information

6250
SAE O-Ring Installation
1. Unscrew lock nut to touch fitting.
2. Lubricate o-ring (A).
3. Screw in fitting hand tight.
4. Unscrew fitting until oriented
properly.
5. Tighten lock nut to indicated torque.
(Make sure washer is seated properly
without pinching o-ring).
General Repair Information
A
ti5414a
ti5415a
ti5417a
5