RM-300 Reclaimer Mixer Machine Systems Caterpillar

Rotor Drive Differential - Assemble

Usage:

Assembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-1863	Retaining Ring Pliers	1
D	8T-5096	Dial Indicator Gp	1
E	4C-9612	Silicone Sealant	1

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Illustration 1	g01284131

Place housing (24) in a suitable press and install bearing cone (39) .

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Illustration 2	g01284197

Place housing (22) in a suitable press and install bearing cone (38) .

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Illustration 3	g01284132

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Illustration 4	g01284133

Place differential case (29) in a suitable press and install plate (37). The dowel pins must be recessed 3.18 mm (0.125 inch) from the plate.

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Illustration 5	g01283998

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Illustration 6	g01284134

Install gear (34), gear (31), and thrust washers (30) .

Install side gear (32), thrust washer (35), side gear (33), and thrust washer (29) into lower differential case (29) .

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Illustration 7	g01283997

Install upper differential case (29) on lower differential case (29) and install bolts (28). Tighten bolts (28) to a torque of 136 ± 14 N·m (100 ± 10 lb ft).

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Illustration 8	g01284136

Install pinions (26) and pins (27) .

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Illustration 9	g01283562

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Illustration 10	g01283561

Install thrust washer (23) in housing (22) .

Place housing (22) onto ring gear (8). Install the ring gear bolts that are not shown. Tighten the ring gear bolts to a torque of 163 ± 15 N·m (120 ± 11 lb ft).

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Illustration 11	g01284137

Use a suitable press and install bearing cup (18) in pinion cage assembly (11) .

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Illustration 12	g01284140

Use a suitable press and install bearing (19) on pinion (13). Use Tooling (A) and install retaining ring (20) on pinion (13) .

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Illustration 13	g01284141

Install bearing cup (17) and bearing cup (18) into pinion cage assembly (11) .

Install spacer (16) and bearing cones (15) into pinion cage assembly (11) .

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Illustration 14	g01284142

Install pinion cage assembly (11) in a suitable press. Install a spacer that fits on the bottom bearing and on the top bearing. Apply 169032 ± 4448 N (38000 ± 1000 lb) to the spacer, as shown. Attach a scale to the pinion cage assembly in order to achieve a rolling torque of 22 ± 13 N (5 ± 3 lb). If necessary, adjust the bearing preload by changing the spacer.

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Illustration 15	g01284143

Install pinion (13) in a suitable press and install bearing cone (21) and bearing (19) .

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Illustration 16	g01284146

Install bearing cone (15) and lip seal (14) in pinion cage assembly (11) .

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Illustration 17	g01288438

Install pinion cage assembly (11) and yoke (12) on pinion cage assembly (13).

Place pinion (13) in a suitable press. Apply 169032 ± 4448 N (38000 ± 1000 lb) in order to preload the assembly. Attach a scale to the pinion in order to achieve a rolling torque of 31 ± 13 N (7 ± 3 lb). If the measurement does not fall with the acceptable range, disassemble pinion (13) and change the spacer.

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Illustration 18	g01283553

Install pinion nut (10) .

Attach a suitable lifting device to yoke (10). Place the shim pack on differential assembly (9) and install pinion cage assembly (11) on differential assembly (9) .

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Illustration 19	g01283550

Install adjusters (7) and bearing caps (5). Install the bearing cap bolts finger tight.

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Illustration 20	g01288439

Lubricate bearing (19) and bearing (21) with clean oil.

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Illustration 21	g01288440

Loosen adjuster (7). Loosen the adjuster until the first thread is visible. Tighten the adjuster on the back side of the ring gear until there is no backlash.

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Illustration 22	g01288441

Tighten adjuster (7) until the adjuster contacts the bearing cup. Tighten the adjuster, as required. This will preload the bearings. Also, provide the approximate backlash.

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Illustration 23	g01288638

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Illustration 24	g01288442

Attach Tooling (D) to ring gear (8), as shown. Rotate the ring gear until Tooling (D) makes contact with the ring gear. Zero out Tooling (D). Rotate the ring gear back and forth and write down the measurement from Tooling (D). The measurement should be 0.33 ± 0.13 mm (0.013 ± 0.005 inch). Adjust the backlash with adjuster (7) .

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Illustration 25	g00932007

Apply a marking compound to 12 teeth of the ring gear. Rotate the ring gear so the teeth are next to the pinion.

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Illustration 26	g00932008

This is a good ring gear tooth contact.

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Illustration 27	g00932009

Note: This is a high ring gear tooth contact.

The drive pinion is too deep into the carrier.

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Illustration 28	g00932101

Note: This is a low ring gear tooth contact.

The drive pinion is not deep enough into the carrier.

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Illustration 29	g01288641

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Illustration 30	g01288644

Align the adjusters and locks (3). Tighten bearing cap bolts (4) to a torque of 542 ± 40 N·m (400 ± 30 lb ft).

Install adjuster (3) and bolts (2) on the ring gear side. Tighten the bolts to a torque of 227 ± 11 N·m (168 ± 8 lb ft).

On the back side of the ring gear, install adjuster (3), the dowels, and bolts (2). Tighten the bolts to a torque of 227 ± 11 N·m (168 ± 8 lb ft).

Install the lockwire on the differential bearing cup and bolts (2) .

Position shift fork (1) in the carrier and install sliding clutch (6). Install sliding clutch (6) and engage the shift fork with the collar. Install shift fork (1) .