ARO GV08A-06S-7 Benutzerhandbuch - Seite 11

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MAINTENANCE SECTION

Assembly of the Gear

l. If the Planet Gear Bearings (34) were removed, press

12. Using snap ring pliers, install the Arbor Bearing

Retainer (42) in the front end of the Gear Case.

13. Thread the Inner Wheel Flange (43) onto the Arbor.

the new Bearings into the Arbor Planet Gears (33)

using a bearing inserting tool (see drawing TPD786)

that has a pilot and that contacts the outer radius of

the Bearings. Press against the stamped end of the

Bearing.

Smear some of the recommended grease on the

Bearings and teeth of the Planet Gears.

Using blocks or a ring on the table of an arbor press,

place the large shoulder of the Arbor (32), threaded

end down, on the blocks or the ring.

Position one of the assembled Arbor Planet Gears in

one of the machined Arbor openings, carefully

aligning the center of the Gear with the hole in the

shoulder of the Arbor, and press one of the Arbor

Planet Gear Shafts (35) into the Arbor and through the

Gear. Make certain both ends of the Shaft are below

the faces of the Arbor.

Repeat the previous step with the second Planet Gear.

For Models GV08A-05S-7 and GV08A-06S-7,

grease the teeth of the Rotor Pinion (36) and insert it

into the center of the Arbor through the remaining

machined opening. Make certain the teeth of the

Rotor Pinion mesh with the teeth of the Planet Gears.

Install the remaining Arbor Planet Gear making

certain all gearing meshes and moves freely.

10.

11.

Do not press against the Rear Arbor Bearing.

Press the Rear Arbor Bearing (37) onto the shaft at

the unthreaded end of the Arbor.

Reposition the Arbor on the pressing table with the

threaded end up.

Position the Arbor Bearing Spacer (38) on the Arbor

and press the Front Arbor Bearing (39), shielded side

up, onto the Arbor.

Smear some grease on the internal spline of the Gear

Case (40) and insert the assembled Arbor, gearing end

first, into the unsplined end of the Gear Case. Make

certain the teeth of the Planet Gears mesh with the

teeth in the Gear Case.

14.

15.

16.

Using two 5/8-11 jam nuts on the end of the Arbor,

tighten the Inner Wheel Flange.

Lubricate and install the Exhaust Deflector Front

Seal (31) in the annular groove of the Gear Case.

Being careful not to cut the Seal, slide the smaller end

of the Exhaust Deflector (28) onto the Gear Case until

it butts against the shoulder of the Gear Case.

If the Exhaust Silencer (29) was removed, fold the

Silencer in half lengthwise and work it into the open

area between the Exhaust Deflector and the Gear

Case.

Assembly of the Tool

Grasping the handle of the Motor Housing in

copper-covered or leather-covered vise jaws with the

spline of the Rotor upward, place the Bearing

Housing Spacer (27) on the face of the Front Rotor

Bearing Housing.

Position the Gear Case and Exhaust Deflector over

the Motor Housing and while slowly rotating the

Arbor to align the Planet Gears with the spline of the

Rotor, screw the Gear Case onto the Motor Housing.

Make certain the Exhaust Deflector Rear Seal is not

cut while threading the Gear Case onto the Motor

Housing.

With a torque wrench on the flats on the Gear Case,

tighten the Gear Case to between 50 to 60 ft-lb (67.8

to 8 1.4 Nm) torque.

Install the Pad Mounting Spacers (44) on the Arbor.

Thread the Sanding Pad (46) and the Pad Mounting

nut onto the Arbor.

Spin the Sanding Pad by hand to make certain nothing

is binding, then remove the tool from the vise.