Graco Husky 715 Instructions And Parts List page 22

Reassembly
CAUTION
If you have removed the air valve, you must reinstall
it before reinstalling the diaphragms. See page 14.
1. Grease the shaft seals (30‡) and install them in
the housing (1). Using a rubber mallet, carefully
drive the bearings (31‡) flush into the housing so
the holes face out. See Fig. 18.
2. Grease the diaphragm shaft (29‡) and slide it into
the housing (1).
3. Assemble the air side diaphragm plates (116**),
PTFE
diaphragms (401*),
present), fluid side diaphragm plates (118**),
o-rings (*115**), and screws (114**) exactly as
shown in Fig. 18. Apply medium-strength (blue)
Loctite or equivalent to the fluid side diaphragm
plate screw (114) heads, and torque the screws to
75–85 in-lb (8.5–9.6 N.m) at 100 rpm maximum.
These parts must be assembled correctly.
31‡
118**
Fig. 18
Service
diaphragms (404*, if
30‡ 1
116**
4. Install the clamps (109) in the reverse order of
step 3 on page 21. The clamp bolts should be on
the air valve side of the housing, and pointing
down toward the bottom of the pump.
5. Place the covers (101) on the pump housing (1).
Position the clamps (109) and install the grounding
strip (111) on the clamp bolts. Apply thread lubri-
cant to the bolts. Torque the clamp nuts (110) to
75–85 in-lb (8.5–9.6 N.m). See Fig. 19.
6. Position the top manifold (102) as desired and
install on the covers (101) with the screws (105),
washers (107) and nuts (106). Repeat for the
bottom manifold, using the screws (105), feet
(108), and nuts (106). Torque the screws to 3–6
ft-lb (4–8 N.m).
401*
404*
29‡
*115**
114**
Apply medium-strength (blue) Loctite or equivalent
to threads, and torque to 75–85 in-lb (8.5–9.6 N.m)
at 100 rpm maximum.
Do not over-torque.
Grease.
The words "AIR SIDE" on diaphragm (401, 404)
must face into the pump housing (1).
Curved side of plates (116**) and (118**)
must face diaphragms.
Used only on models with
Holes face out of housing (1).
PTFE diaphragms.