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Assembly of the Retaining Mechanism
1. Look at the bore of the Retainer Sleeve and note that
there is a wide relief groove machined at right angles
to the slot.
2. While holding the Scaler with the nozzle pointing
away from you, insert the Retainer Ball into the large
recess in the Casing. Insert the Plunger Lock Spring
followed by the Lock Plunger into its recess in the
Casing.
3. Hold the Retainer Sleeve so that the internal relief
groove is to the right of the slot and, with the nozzle
of the tool still pointing away from you, slide the
Sleeve onto the end of the Casing so that the Lock
Plunger engages the relief groove. When the Sleeve is
on the Casing as far as it will go, rotate the Sleeve to
the right until the Lock Plunger snaps outward into
the slot.
Assembly of the Throttle Mechanism
For Pistol Grip Throttle
1.
Install the Throttle Lever (26) and secure with
Throttle Lever Pin (27).
2.
Coat the Throttle Valve Face (30) with O–ring
lubricant and install it on the Throttle Valve (29).
3.
Install Throttle Valve Plunger (28) and Throttle
Valve (29) in Handle.
4.
Insert Throttle Valve Spring (33) and secure throttle
omponents with Throttle Valve Cap (32).
For Lever Throttle
1.
Install Throttle Lever (10) on Head Block (1) and
secure with Throttle Lever Pin (11).
2.
Coat the Throttle Valve Face (6) with O–ring
lubricant and install it on the Throttle Valve (5).
3.
Install the Throttle Valve in the Head Block, stem
first, until stem contacts the Throttle Lever.
4.
Insert the Throttle Valve Spring (3) and secure throttle
components with the Throttle Valve Cap (2).
MAINTENANCE SECTION
1.
2.
3.
Installation of Grip Handle or Head Block, Valve
and Piston
1. Install the Piston (51), Valve Seat (50), Valve (48),
2. Insert a Chisel in the front of the Casing (52). Clamp
3. Screw the Casing Locknut (45) onto the Head Block
4. Screw the Head Block or Grip Handle Adapter into
5. Tighten the Casing Locknut against the Casing as
6. Slide the Pistol Grip Handle (25) onto the Grip
19
For Push Throttle
Coat Throttle Valve Face (20) with O–ring lubricant
and install it on the Push Throttle Valve (19). Install
Throttle Valve Pin (22) in Push Throttle Valve.
Insert the Push Throttle Valve into the Push Throttle
Body (18), stem first. Install the Push Throttle Body
into the Head Block (15) and secure it with Throttle
Body Retainer (21).
Secure the Push throttle Body in a vise with
leather–covered or copper covered vise jaws and
install the Inlet Bushing (17).
Valve Spacer (49), Dowel Pins (47) and Valve Cap
(46) in the Casing (52).
To ensure proper alignment between the Valve Seat
and Valve Cap, make sure that Dowel Pins are
installed correctly.
the shank of the Chisel in a vise with the tool in a
vertical position.
(1 or 15) or Grip Handle Adapter (35) so that the taper
faces the threaded end.
the Casing to 130 ft–lb (176 Nm) torque.
tightly as possible.
Handle Adapter and install the Adapter Bolt Nut (38).
Tighten the Adapter Bolt Nut to 25 ft–lb (34.0 Nm)
torque.
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