Disassembly - Graco 245970 Repair Parts

Disassembly

WARNING
Pump rod and connecting rod move during operation.
Moving parts can cause serious injury such as pinch-
ing or amputation. Keep hands and fingers away from
connecting rod during operation.
1.
A
B
Shut off ,
2.
Flush pumps. See Reactor manual.
3.
Relieve pressure, page 5.
4.
To disconnect pump A:
a.
Turn PRESSURE RELIEF/SPRAY
valves (SA, SB) to PRESSURE RELIEF.
b.
Press
nent A pump is at bottom of its stroke,
then shut off.
309577A
, and heat zones.
SA
SB
TI3171a
. Motor will run until compo-
c.
Shut main power OFF
d.
Disconnect fluid inlet (C) and outlet (D).
See F
IG
e.
Push retaining spring (E) up. Push pin
(F) out. Loosen locknut (G) by hitting
firmly with a non-sparking hammer.
Unscrew pump. See F
To disconnect pump B, see page 8. To continue
repairing pump A, see page 9.
F . 1. Disconnect Pump (Pump A Shown)
IG
Disassembly
.
. 1.
. 1.
IG
E
D
F
G
C
TI2602A
7