Service
309528L
19
Diaphragm Repair
Tools Required
•
Torque wrench
•
10 mm for 1040 pump or 13 mm socket wrench for
1590 and 2150 pumps.
•
15 mm socket wrench
•
19 mm open end wrench
•
O-ring pick
•
Lithium-base grease
Disassembly
1.
Relieve the pressure.
2.
Remove the manifolds and disassemble the ball
check valves as explained on 18.
3.
Using a 10 mm or 13 mm socket wrench, remove
the screws (106) holding the fluid covers (101) to
the air covers (23). Pull the fluid covers (101) off the
pump. See F
4.
Loosen but do not remove the diaphragm shaft bolts
(107), using a 15 mm socket wrench on both bolts.
F
IG
. 10
A Fluid Section Repair Kit is available. Refer to
page 27, 35, or 43 to order the correct kit for your
pump. Parts included in the kit are marked with an
asterisk, for example (401*). Use all the parts in
the kit for the best results.
WARNING
To reduce the risk of serious injury, whenever you are
instructed to relieve pressure, always follow the Pres-
sure Relief Procedure on page 11.
TI2243
2
1
Apply medium-strength (blue) Loctite® or equivalent to threads,
and torque to 120-150 in-lb (14-17 N•m). on 1040 pump
models. Torque to 190-220 in-lb (22-25 N-m) on 1590 and
2150 pump models. See Torque Sequence, pages 24-25.
Arrow (A) must point toward air valve (B)
B
23
101
A
106
2
1
