3. Install the Valve Seat, the Valve and the Valve Spring.
Coat the threads of the Bushing Assembly with 1 or 2
drops of Loctite® 222 or equivalent non-permanent pipe
thread sealant. Screw the assembly into the Housing.
Torque to 60 in/lbs (6.77 Nm.)
Press Tool Top
Press Tool Base
Dust Shield
Bearing
Washer
Spindle
T-1B
T-1A
Spacer
III. This section is for SGV Exhaust machines:
A) Remove the Screw, and Nut.
B) Remove the Ø 1 in. (28 mm) Hose SGV Swivel Exhaust
Assembly from the Housing and SGV Shroud Adapter.
C) Remove the Vacuum Shroud from the Housing. Move
onto step 2.
2. Place the Speed Control to the midway position and
remove the Retaining Ring. NOTE: If the machine is a
vacuum model, the vacuum exhaust must be removed
(see Section 1 above for removal) before the Retaining
Ring can be removed with lock ring pliers. The Speed
Control will now pull straight out. Remove the O-ring.
3. Unscrew the Inlet Bushing Assembly from the Housing.
Remove the Valve Spring, Valve, Valve Seat, Valve
Stem and O-Ring.
4. Press out the Spring Pin from the Housing and remove
the Throttle Lever.
ASSEMBLY INSTRUCTIONS
NOTE: All assembly must be done with clean dry parts and
all bearings are to be pressed in place by the correct tools
and procedures as outlined by the bearing manufacturers.
Housing Assembly:
1. Install Throttle Lever into Housing with the Spring Pin.
2. Lightly grease the O-ring and place it on the Speed
Control. Install Valve Stem, O-ring (cleaned and lightly
greased) and insert the Speed control into the Hous-
ing in the midway position. Install the Retaining Ring.
CAUTION: Make sure the Retaining Ring is completely
snapped into groove in the Housing.
DOC 0004-SP
10
Revision 06/18/14
