Replacing
Replacing
Replacing the
the
the Pinch
Pinch
Pinch Hose
Hose
Hose
Removing
Removing
Removing the
the
the Pinch
Pinch
Pinch Hose
Hose
Hose
1.
Perform
Pressure Relief Procedure, page 10
2.
Remove the claw coupler (CP) at the swivel
connection.
3.
Use the supplied 2–7/8 in. wrenches (17J757) to
loosen the lock nuts (S1, S2) on the inside and
outside of the box.
4.
Remove the clamp (HC) connecting the blasting
circuit (BC) to the check valve.
5.
Remove the bottom hose clamp (C2) (128642).
6.
Pull the pinch hose (PH) (17G569) out of the box.
NOTE:
NOTE:
NOTE: Use the blasting circuit (BC) as a handle,
and twist while pulling.
7.
Loosen the remaining hose clamp and remove
the pinch hose from the circuit.
Installing
Installing
Installing the
the
the Pinch
Pinch
Pinch Hose
Hose
Hose
1.
Place both hose clamps (C1, C2) on the pinch
hose (PH). Leave 1/4 in. of hose exposed on the
ends.
2.
Slide the pinch hose (PH) onto the barb at the
blasting circuit (BC).
3.
Reinstall the blasting circuit (BC) and pinch hose
(PH) into the box through the pinch valve.
4.
Install and tighten the clamp (HC) to 15 ft-lb (20.3
N•m) to connect the blasting circuit to the check
valve. NOTE:
NOTE:
NOTE: If necessary, loosen the inside nut
(S2) to provide room for gasket (G) installation.
Inspect the gasket (G) and replace if necessary.
5.
Tighten the hose clamps (C1, C2) until the metal
ends touch.
6.
Tighten the lock nuts (S1, S2).
7.
Install the claw coupler (CP).
0.0
0"
32
3A3489A
