Ingersoll-Rand GRG15M08G7, GRS15A06S7 manual Assembly of the Angle Head, For Type 27 Mounted Wheels

MAINTENANCE SECTION

4.Insert the Throttle Valve Spring (6), small end first, into the Handle.

The Inlet Bushing (4) has an interference thread. Apply a light film of the recommended oil to the threads before assembly.

5.Clean the face of Inlet Bushing (4) and the Inlet Bushing Screen (5) with a clean, suitable, cleaning solution and allow to dry. Insert the parts into the end

of the Throttle Handle. Tighten the Inlet Bushing to 125 ± 26 ft–lb (170 ± 35 Nm) torque.

Assembly of the Angle Head

For GRG15A or GRG15M Models:

1.Install the Lower Arbor Spring Washer (51) onto the Depressed Center Wheel Arbor (60).

2.Press the Arbor Lower Bearing (50) onto the Depressed Center Wheel Arbor until it contacts the Lower Arbor Spring Washer.

If the Bevel Gear (40) is worn or broken, replace both the Bevel Gear and the Pinion as they are a matched set and cannot be matched with other Pinions.

3.Grasp the flats of the Depressed Center Wheel Arbor in leather–covered or copper–covered vise jaws, arbor bearing end up. Install the Bevel Gear on the Arbor.

4.Install the Bevel Gear Spacer (49).

5.Clean the threads on the Arbor; apply a film of thread locking compound to the threads. Screw the Bevel Gear Nut (48) onto the Arbor and tighten to 8.5 to 11.5 ft–lb (11.5 to 15.5 Nm) torque. Remove the Arbor from the vise.

6.Grasp the Angle Arbor Housing (43) in leather–covered or copper–covered vise jaws, angle head up. Install the Upper Bearing Spring Washer (46) and Upper Arbor Bearing (47).

7.If replacement of the Mounting Plate Pin (45) is necessary, press a new pin into the Angle Arbor Housing.

8.Install the assembled Depressed Center Wheel Arbor into the Angle Arbor Housing.

9.Place the Depressed Center Wheel Guard (59) in position on the Angle Arbor Housing, making sure the Mounting Plate Pin aligns with the pin hole in the guard.

10.Install the Screw Lock Washers (53) and Guard Screws (54). Tighten to 7.5 to 8 ft–lb (10 to 11 Nm) torque.

11.Slide the Autobalancer Assembly (61), rectangular hub side leading, onto the Arbor.

12.To mount the wheel on the tool, proceed as follows: For Type 27 and Type 28 Plain Hole Wheels:

a.Thread the Depressed Center Wheel Flange (66 or 68) onto the Arbor against the Autobalancer Assembly.

b.Slide the wheel onto the Arbor against the Depressed Center Wheel Flange.

c.Thread the Depressed Center Wheel Nut onto the Arbor against the wheel and tighten the Nut using the Depressed Center Wheel Spanner Wrench (Part No. D32–26). Tighten the Nut only enough to drive the wheel and prevent slippage.

d.Using a hex wrench, install the Wheel Retaining

Screw (65) in the end of the Arbor.

For Type 27 Mounted Wheels:

a.Install two Depressed Center Wheel Spacers (63) on the Arbor against the Autobalancer Assembly.

b.Thread the wheel onto the Arbor.

c.Using the hex wrench, install the Wheel Retaining

Screw (65) in the end of the Arbor.

For Type 28 Mounted Wheels:

a.Install one Depressed Center Wheel Spacer (63) on the Arbor against the Autobalancer Assembly.

b.Thread the wheel onto the Arbor.

c.Using the hex wrench, install the Wheel Retaining Screw (65) in the end of the Arbor.

13.Insert a 5” (127 mm) long 3/16” hex wrench into the elongated slot in the end of the Dead Handle (70) and into the hex recess in the screw head.

14.Position the Handle against the Angle Arbor Housing (43) and thread the screw into the Housing. The Handle can be attached at either of two positions 180 degrees apart. Select the desired position and tighten the screw to 18 ft–lb. (24.4 Nm) torque.

15.Inject approximately 5 cc of IRAX No. 68 –1LB Grease into each Grease Fitting (44).

For GRP15A, GRS15A Models:

1.Install the Lower Arbor Spring Washer (51) onto the Sander Arbor (55). Press the Arbor Lower Bearing (50) onto the Arbor until it contacts the Lower Arbor Spring Washer.

If the Bevel Gear (40) is worn or broken, replace both the Bevel Gear and the Pinion as they are a matched set and cannot be matched with other Pinions.

2.Grasp the flats of the Arbor in leather–covered or copper–covered vise jaws, arbor bearing end up. Install the Bevel Gear on the Arbor.

3.Install the Bevel Gear Spacer (49).

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