Disassembly - Graco A Series 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
Shut off ,
2.
Flush pumps. See Reactor manual.
3.
Relieve pressure, page 5.
4.
Press . Motor will run until pumps are at
bottom of strokes, then shut off.
5.
Turn main power OFF
power supply.
Steps 6-8 apply to pump A. See F
connect pump B, go to steps 9 and 10. Use
dropcloth or rags to protect Reactor and sur-
rounding area from spills.
10
B
, and heat zones.
. Disconnect
. 1. To dis-
IG
6.
Disconnect fluid inlet (C) and outlet (D). Also
disconnect steel outlet tube from heater inlet.
7.
Disconnect tubes (T). Remove tube fittings (U)
from wet-cup.
8.
Loosen star-shaped locknut (G) by hitting firmly
with a non-sparking hammer. Unscrew pump far
enough to expose retaining pin under plastic fin-
ger guard. Push retaining spring up. Push pin
out. Continue unscrewing pump.
Steps 9 and 10 apply to pump B. See F
Use dropcloth or rags to protect Reactor and
surrounding area from spills.
9.
Disconnect fluid inlet (C) and outlet (D). Also
disconnect steel outlet tube from heater inlet.
10.
Push retaining spring (E) up. Push pin (F) out.
Loosen star-shaped locknut (G) by hitting firmly
with a non-sparking hammer. Unscrew pump.
Disassembly
. 2.
IG
309577D