ARO PG087A-A5 Посібник оператора - Сторінка 12

Переглянути онлайн або завантажити pdf Посібник оператора для Електроінструмент ARO PG087A-A5. ARO PG087A-A5 16 сторінок. Impulse wrench

Друкувати сторінку

MAINTENANCE SECTION

21.

22.

(Dwg. TPD1279)

Grasp the handle of the Motor Housing in vise jaws

with the rotor shaft upward. Thread the Front End

Plate Spacer (30) into the Housing and using the end

plate spacer spanner, tighten the Spacer to 33 ft-lb

(45 Nm) torque. This is

a left-hand

thread;

rotate the

wrench

counterclockwibe

to tighten. Refer to

Dwg. TPD1280.

COUNTERCLOCKWISE

TO TIGHTEN

SPANNER

(Dwg. TPD1280)

After installing the Front End Plate Spacer, grasp the

shaft of the Rotor and rotate it by hand. If the Rotor

does not turn easily, disassemble the motor unit and

determine where the assembly is binding. The motor

must rotate freely before proceeding further with the

assembly.

Assembly of the Impulse Mechanism

1. Install the Rear Liner Cover O-ring (39) in the annular

groove around the Rear Liner Cover (38).

2. Insert the Relief Valve (43) into the Liner (40).

3. Place a Blade Spring (47) into each hole in one of the

slots of the Drive Shaft (44).

4. Place the Blade (45) against the Springs so that each

Spring encircles a Blade Spring Pin (46).

5. Compress the Springs with the Blade until the Blade is

flush with the Drive Shaft and install the assembly in

the Liner with the output end of the Drive Shaft

protruding out the end of the Liner containing the

Relief Valve. (Refer to Dwg. TPD1284.) Make certain

the ends of the Blade are flush with the ends of the

Liner.

10.

11.

12.

(Dwg. TPD1284)

Place the Rear Liner Cover Assembly against the

motor end of the Liner making sure that the two Liner

Rear Pins (41) enter the holes in the Cover and the rear

hub of the Drive Shaft enters the central opening of the

Cover.

Install the Front Liner Cover Assembly (48) over the

Drive Shaft against the spindle end of the Liner

making sure that the two Liner Front Pins (42) enter

the holes in the Cover and the Relief Valve aligns with

the opening in the Cover.

Install the Drive Shaft Seal (49) followed by the Seal

Back-up Ring (50) on the Drive Shaft against the hub.

Refer to Dwg. TPD1285.

SEAL BACK-UP

RING

DRIVE SHAFT SEAL

(Dwg. TPD1285)

Install the assembled Liner and Covers in the Liner

Housing (31) making certain that the Relief Valve is in

alignment with the opening for the Torque Adjustment

Bolt (34).

Install the Adjustment Bolt Seal (35) followed by the

Seal Washer (35A) and Seal Back-up Ring (36) on the

Torque Adjustment Bolt and thread the assembled Bolt

into the Liner Housing.

Install the Adjustment Bolt Stop Ring (36A) in the

groove of the Liner Housing to keep the Bolt Assembly

from backing out.

Install the Oil Plug (32) and Oil Plug Seal (33) in the

liner housing hole 180 degrees from the Torque

Adjustment Bolt.