172-65637MA-05 (GP5C PowerTrap) 8 Jun 2020
23
4. Removing/Reattaching Each Unit
Part
Disassembly
Reassembly
Intake-Exhaust
Valve Seat/
Bolt (M8
2 pcs)/
Snap Ring/
Screen/
Steel Ball/
O-Ring/
Gasket
• Remove bolts with a 13 mm
(
1
/
2
in
) socket
wrench.
• Remove the intake-exhaust valve seat from
the cover.
• Be careful not to let the steel ball and the
screen fall when removing the snap ring.
• Remove the O-ring.
• Clean the sealing surfaces.
• Replace with a new O-ring
• Replace with a new gasket if damaged.
• Coat O-ring with heatproof grease and
be sure to clean the mounting surface
in the cover.
• Tighten to a torque of 10 N
m (7 lbf
ft).
Bolt (M8
2 pcs)/
Inlet Check Valve/
O-Ring/
Gasket
• Remove bolts with a 13 mm
(
1
/
2
in
) socket
wrench.
• Remove the inlet check valve from the
cover.
If difficult, screw the bolt into the center of
the inlet check valve and use it to remove
the inlet check valve.
• Remove the O-ring.
• Clean the sealing surfaces.
• Replace with a new O-ring
• Replace with a new gasket if damaged.
• Coat O-ring with heatproof grease and
be sure to clean the mounting surface
in the cover.
• In order to orient the hinge of the valve
upwards, be sure the indentation is
pointed upwards.
• Tighten to a torque of 10 N
m (7 lbf
ft).
Holder/
Gasket/
Coil Spring/
Valve for Outlet
Check Valve
• Take out the holder, gasket, coil spring and
the valve for outlet check valve before
removing the outlet check valve.
• Remove the spring holder with a 22 mm (
7
/
8
in)
socket wrench.
• Be careful not to let the coil spring and the
gasket fall.
• Be sure to clean the inside of the outlet
check valve.
• Replace with a new gasket if damaged.
• Tighten to a torque of 60 N
m (44 lbf
ft).
Bolt (M8
2 pcs)/
Outlet Check
Valve/
O-Ring (2 pcs)/
Gasket
• Remove bolts with a 13 mm
(
1
/
2
in
) socket
wrench.
• Remove the outlet check valve from the
cover.
• Remove the O-ring and gasket.
• Replace with a new O-ring
• Replace with a new gasket if damaged.
• Coat O-ring with heatproof grease and
be sure to clean the mounting surface
in the cover.
• In order to assure proper flow direction,
be sure the indentation is pointed
upwards.
• Tighten to a torque of 10 N
m (7 lbf
ft).
(1 N
m
10 kg
cm
2
)
NOTE: If drawings or other special documentation were supplied for the product, any torque
given there takes precedence over values shown in this Instruction Manual.
Cover
Gasket
Intake-Exhaust
Valve Seat
Steel Ball
Screen
Bolt
O-Ring
Bolt
Gasket
Gasket
O-Ring
Inlet Check Valve
Outlet Check Valve
Gasket
Coil Spring
Holder
The indentation
should point
upwards
O-Ring
Snap Ring
Bolt
Valve for
Outlet Check Valve
