Cub Cadet P Series - Manual (Page 83)

78 PK Series
Refer to Figure 6.
Perform disassembly, inspection and assembly on
check valves one side at a time. Some units vary in
“A” side to “B” side check configuration.
Disassembly
1. Remove the check valve (42) with an 1/4” allen
wrench.
2. Remove the valve spring and poppet from the
end cap.
Inspection
1. Inspect the poppets and mating seats in the end
cap for damage or foreign material.
Assembly
1. Lay the pump on its side, so the check plug port
is horizontal.
2. Insert the check plug, spring and poppet (42) as
one assembly into the check plug port. Tighten,
reference Table 2, page 74 for torque values.
3. Repeat disassembly, inspection and assembly
for the opposite port side.
REMOVAL, INSPECTION AND/OR
REPLACEMENT OF CHECK VALVES REMOVAL, INSPECTION AND/OR
REPLACEMENT OF SYSTEM CHECK
RELIEFS (SCR’S) OR SHOCK
VALVES
Refer to Figure 7.
Disassembly
Perform disassembly, inspection and assembly on
SCR/shock valve one side at a time. Some units
vary in “A” side to “B” side configuration.
1. Remove the SCR (42) with a 7/8” wrench or the
shock valve (42) with an 11/16” wrench.
2. Remove the check relief/shock valve spring and
the check relief/shock valve from the end cap.
Inspection
1. Inspect the check relief or shock valve (42) and
mating seat in the end cap for damage or foreign
material.
Assembly
1. Lay the pump on its side, so the check plug port
is horizontal.
2. Insert the system check relief spring and check
relief or shock valve spring and shock valve as
one assembly into the check plug port. Tighten
to the correct torque value. See page 74.
3. Repeat disassembly, inspection and assembly
for the opposite port side.
Figure 6. PK Pump Check Valves
Figure 7. PK Pump Shock Valves
42A
42B
42A
42B