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14 3A0540L
7. Lubricate and install the new o-rings (15*) around
each of the four ball seats (13 and 14).
8. Place the inlet valve housing (7) on a flat surface
with the ball valve openings facing up. Lubricate the
seals (17*) and set them into each side of the inlet
valve housing.
9. Place the ball guides (16) and balls (18) in the inlet
valve housing.
10. Press the seat (14) with the pressure relief valve
into the fluid inlet side of the inlet manifold (1). This
seat is not reversible. Orient as shown in F
IG
. 5 and
F
IG
. 6. Press the other seat (13), with the unworn
side facing out, into the other side of the inlet mani-
fold.
NOTE: The pressure relief seat kit (14) includes two
seals (17) and two o-rings (15). When installing a new
pressure relief seat, also install the seals and o-rings on
both sides of the fluid inlet manifold (1).
11. Apply removable (blue) Loctite
®
243 to entire length
of the screw (9) threads. Position the inlet manifold
(1) on the inlet valve housing (1). Install the twelve
capscrews (9) and lockwashers (8) loosely.
12. Tighten the four inside screws (9) oppositely and
evenly to 3 N•m (27 in-lb) to balance the load on the
valves. Then tighten all twelve screws oppositely
and evenly to 24-27 N•m (18-20 ft-lb). See F
IG
. 10.
NOTICE
The orientation of the ball valves in the inlet and outlet
valve housings is critical. Install the parts of the ball
valve exactly as instructed and refer to F
IG
. 5. If
installed incorrectly, the pump will not operate.
COMPONENT RUPTURE HAZARD
The relief valve seat (14) must be installed at the fluid
inlet, as shown in F
IG
. 5 and F
IG
. 6. The relief valve
reduces the risk of pump overpressurization. The seat
cannot relieve pressure if installed on the other side of
the inlet housing.
F
IG
. 10. Manifold Screws Torque Values
10
9
1
2
1
2
Torque oppositely and evenly to 81-88 N•m (60-65 ft-lb).
Apply removable (blue) Loctite
®
243 to entire length of
threads on all 12 screws (9). Torque 4 inside screws
oppositely and evenly to 3 N•m (27 in-lb), then tighten all
12 screws oppositely and evenly to 24-27 N•m (18-20
ft-lb).
01410