Repair
309813B
17
Repair
Proportioning Pump
Removal
1.
Shut off
,
, and
heat zones.
2.
Flush pump, page 10.
3.
Relieve pressure, page 11.
4.
Turn PRESSURE RELIEF/SPRAY valves (SA, SB)
to PRESSURE RELIEF.
5.
Turn main power OFF
. Disconnect power
supply.
6.
Disconnect hoses and fittings from fluid inlets (C)
and outlets (D). See F
. 1.
A
B
SA
SB
TI3593a
7.
Remove pump. See applicable manuals, supplied.
See page 6 for applicable pump and motor
repair-parts manuals. Displacement pumps (E)
may be removed without removing entire propor-
tioning pump.
8.
Reinstall in reverse order.
F
IG
. 1. Pump Removal
TI3582b
C
D
C
D
E
E