Graco Husky 1050HP Repair Parts page 21

2. Grease the shaft u-cups (202*) and the length of
both diaphragm shafts (206*). Slide the shaft on
the primary side (closest to air plate 105*) into
the primary air module.
3. Slide the secondary air module onto the
secondary side shaft (closest to air plate 103*).
4. Install the diaphragm joint bolts (5).
Torque to 100 in-lb (11.3 N•m). Follow
Torque Instructions, page
334390E
24.
Bolt-Through Diaphragms Diaphragms
5. Bolt-Through Bolt-Through Diaphragms
a. Assemble the o-ring (28), the fluid side
diaphragm plate (10), the diaphragm (12),
and the air side diaphragm plate (11), on a
diaphragm shaft bolt (14), exactly as shown.
b. Apply medium-strength (blue) thread locker
to the threads of the bolt (14). Screw the
assembly into the shaft of the secondary air
module hand-tight.
c. Repeat for the other diaphragm assembly
and install on the primary air module.
d. Torque both bolts to 20–25 ft-lb (27–34 N•m)
at 100 rpm maximum. Do not over-torque.
Rounded side faces diaphragm.
1
Apply lithium based grease.
Apply primer and medium-strength (blue)
thread locker. Torque to 20–25 ft-lb (27–34
N•m) at 100 rpm maximum.
AIR SIDE markings on fluid diaphragms
must face center housing.
Repair
21