Usage:
Start By:
a. remove vibratory motor
b. remove front scraper
c. remove parking brake
 |
The following procedure should be performed on a smooth level surface. Use wood blocks on both sides of the drum. Failure to do this may result in accidental movement of the drum. A run-away drum could result in personal injury. The weight of the drum is 4086 kg (9000 lb). |
 |
1. Wedge a block of wood between the yoke and the top of the steer pivot. This will prevent the yoke from tilting.
2. Raise yoke about one half inch and install tool (A) under yoke on both sides of the yoke.
3. Remove two wires and bracket (2). Remove bracket (3).
4. Remove four spacers (1).
5. Remove two of the bolts from the yoke cover at about the two and ten o'clock positions. Install studs of suitable diameter and length to permit the yoke plate to slide out enough to attach a hoist to the plate.
6. Remove the remaining bolts from the yoke plate and slide it out on the studs. Attach a hoist and remove the yoke plate.
7. Roll the drum out and away from the yoke.
NOTE: To install the drum, reverse the removal steps.
End By:
a. install front scraper
b. install vibratory motor
c. install parking brake
Remove And Install Drum Support
Start By:
a. remove drum
1. Attach a hoist or a suitable lifting device to a secure, balanced point on the drum support components.
2. Remove the bolts holding the shock mounts to the drum.
3. Lift the drum support components away from the drum.
4. Remove the nuts holding the drum support to the vibra-arm.
NOTE: The following steps are for the installation of the drum support.
NOTE: Check the condition of the shock mounts and replace if necessary.
5. Fasten the drum support assembly, vibra-arm and brake disc together with the studs and nuts.
6. Tighten the nuts to a torque of 200 N·m (150 lb ft) in a sequence of 1-6-3-8-5-10-7-2-9-4.
7. Following the sequence, tighten the nuts to a torque of 400 N·m (295 lb ft) in 41 N·m (30 lb ft) increments.
8. Attach a hoist or a suitable lifting device to a secure balanced point on the drum support.
9. Lift the drum support assembly into position and bolt into place on the drum.
End By:
a. install drum
Disassemble And Assemble Drum Support Assembly
Start By:
a. remove drum support
1. Make matching scribe marks on cover (11) and hub (10) to insure correct reassembly.
2. Remove eight bolts (12) and four shoulder bolts (13). Drain the oil from the unit.
3. Lift off cover (11). Remove the gasket material from cover (11) and hub (10).
4. Apply pressure to retaining ring (9) in a press or by striking with a soft faced hammer. Apply pressure until hub (10) rotates with difficulty.
5. Remove retaining ring (9). Discard the retaining ring and replace with a new part on assembly.
6. Remove spacer (8).
7. Place the unit in a press and press spindle (2) out of hub (10).
NOTE: In Step 7, bearing cups (4) and (6), and outer bearing cone (7) will remain in hub (10). Bearing cone (5) will remain on spindle (2).
8. Remove seal (1). Discard the seal and replace with a new part on assembly.
9. Remove seal boot (3).
10. Pull inner bearing cone (5) off of spindle (2).
11. Pull outer bearing cone (7) out of hub (10).
12. Press two bearing cups (4) and (6) out of hub (10).
NOTE: The following steps are for the assembly of the drum support.
NOTE: Clean and examine all components before assembly. Replace damaged and worn components.
13. Apply a light coat of oil to a new seal (1). Install the seal on spindle (2).
14. Apply a light coat of oil to inner bearing cone (5). Press the bearing into place on spindle (2).
15. Apply a light coat of oil to bearing cups (4) and (6). Press the bearing cups into hub (10).
16. Spread a thin layer of grease inside seal boot (3). Install the seal boot on hub (10).
17. Set hub (10) in place on spindle (2).
18. Apply a light coat of oil to outer bearing cone (7). Press the bearing cone on spindle (2) inside hub (10). Rotate hub (10) while pressing the bearing. Stop pressing when the hub starts to resist rotating.
19. Place spacer (8) on top of outer bearing cone (7).
20. Install a new retaining ring (9) into the groove in spindle (2). Be sure the retaining ring is seated in the groove.
21. Hit the end of spindle (2) inside hub (10) once or twice with a soft faced hammer. Rotate the spindle in both directions while you are hitting the end of the spindle. This will create the proper bearing clearance.
22. Put a thin coat of 8T9014 General Purpose Adhesive Sealant on the face of hub (10). Install cover (11).
23. Install four shoulder bolts (13). Tighten the bolts to a torque of 58 to 64 N·m (43 to 47 lb ft).
24. Install eight bolts (12). Tighten the bolts to a torque of 58 to 64 N·m (43 to 47 lb ft).
25. Refer to the Operation and Maintenance Guide for lubricant information.
End By:
a. install drum support
Disassemble Drum
Start By:
a. remove drum
b. remove drum support
1. Remove eight shock mounts (1). Inspect the shock mounts for wear and damage. Replace the shock mounts as necessary.
2. Remove pulse pick-up (5).
3. Attach a lift truck to vibra-arm (2). Remove four nuts (4) and remove the vibra-arm. The weight of the vibra-arm is 46 kg (200 lb). Replace shock mounts (3) as necessary.
4. Remove cover (6). Remove hub and element (7) from the coupling assembly.
5. Remove nut (8).
6. Install two forcing screws (9) to force off the coupling. Remove key (10).
7. Remove eight bolts (11). Install four forcing screws (12).
8. Install 3/4"-10NC X 203mm (8 in) long studs at ten and two o'clock positions.
9. Remove plug (13) and drain the oil. The drum lube reservoir has a capacity of 22.7 liters (6 U.S. gallons).
10. Use the forcing screws to push the stub shaft away from the drum until there is room to install link brackets (A).
| NOTICE |
|---|
To prevent damage to the weight shaft, push in on the weight shaft as the stub shaft is removed. |
11. Attach a lift truck to link brackets (A) and remove the stub shaft. The weight of the stub shaft is 177 kg (390 lb).
12. Use a block of wood to support the weight of the weight shaft.
13. Repeat Steps 7 through 12 on the other side of the drum.
14. Remove four bolts and washers securing the bearing retainer to the inside of the stub shaft. Remove the bearing retainer.
NOTE: Save any shims found between the bearing and bearing retainer. Be sure to install the shims during assembly. Rotate the inner race of the weight bearing by hand. The race should rotate smoothly with no sign of binding. Examine bearing surfaces for scoring, gouging or other signs of damage. Insert a feeler gauge between the bearing rollers and the outer race, all the way through the bearing. Maximum allowed clearance is .20 to .25 mm (.008 to .010 in.). If bearing is damaged, or if clearance exceeds maximum, the bearing should be replaced.
15. Set the stub shaft housing on blocks, bearing side down.
16. Insert three 25 mm (1 in.) flat washers between the bearing and the stub shaft.
17. Using tooling (C), drive the bearing out of the housing.
NOTE: Rotate the roller bearing housing on the end of the vibratory stub shaft by hand. The housing should rotate smoothly with no sign of binding. If the bearing or the housing are damaged, the housing should be disassembled.
18. Remove bolts securing bearing retainer inside the roller bearing housing.
19. Remove the bearing retainer.
20. Remove the O-ring and seal from bearing retainer.
21. Set a piece of pipe (A), 165 mm (6.5 in.) in diameter and 153 mm (6.0 in.) long, into the roller bearing housing so that one end rests on the stub shaft.
22. Cover the opening in the roller bearing housing with a flat piece of steel (B), about 13 mm (.5 in.) thick.
NOTE: The flat piece of steel used in Step 22 must leave room to install the vibratory motor mount in the following step.
23. Install the vibratory motor mount to the roller bearing housing. Bolt in place with 76 mm (3 in.) long bolts.
24. Tighten the bolts alternately until the roller bearing housing is drawn free.
25. Remove the outer bearing cone from inside the roller bearing housing.
26. Using a suitable puller or driver, remove bearing cup from the roller bearing housing.
27. Remove inner bearing spacer, (if used).
28. Using a suitable puller, remove inner bearing cone from the stub shaft.
29. Attach a lift truck as shown and remove the wood block.
30. Remove weight shaft (14). The weight of the weight shaft is 80 kg (175 lb).
31. Repeat Steps 14 to 30 on the other side of the drum.
32. Remove eight bolts (15).
33. Install studs [3/4"-10NC X 203 mm (8 in)] at 10 and 2 o'clock to support the housing.
34. Install four forcing screws in holes (16) and force the housing out onto the studs.
35. Attach hoist to tool (B) and remove the housing. The weight of the housing is 170 kg (375 lb).
36. Remove four bolts and washers securing the bearing retainer to the inside of the bearing housing. Remove the bearing retainer.
NOTE: Save any shims found between the bearing and bearing retainer. Be sure to install the shims during assembly.
NOTE: Rotate the inner race of the weight bearing by hand. The race should rotate smoothly with no sign of binding. Examine bearing surfaces for scoring, gouging or other signs of damage. Insert a feeler gauge between the bearing rollers and the outer race, all the way through the bearing. Maximum allowed clearance is .20 to .25 mm (.008 to .010 in.). If bearing is damaged, or if clearance exceeds maximum, the bearing should be replaced.
37. Set the bearing housing on blocks, bearing side down.
38. Insert three 25 mm (1 in.) flat washers between the bearing and the bearing housing.
39. Using tooling (C), drive the bearing out of the housing.
40. Repeat Steps 32 to 40 for the other side of the drum.
Assemble Drum
| NOTICE |
|---|
Thoroughly clean all parts before reassembly. The interior of the drum must be very clean. 1/64 to 1/32teaspoon of contamination is the maximum allowable for the entire drum assembly. Any contamination may damage drum components. |
| NOTICE |
|---|
Inspect all parts for damage or excessive wear during assembly. Repair or replace parts as necessary. The use of damaged or worn parts will cause premature failure. |
1. Thoroughly clean the internal bearing housing before installing the roller bearing.
2. Make sure oil metering holes are clean and free of obstructions.
|
Parts heated to 82°C (180°F) will cause immediate burns if touched with bare skin. Suitable heat-resistant gloves should be used for handling bearings or injury will result. |
|
| NOTICE |
|---|
Overheating component will cause damage. Check temperature of bearing housing with a 82°C (180°F) thermal stick. |
3. Heat bearing housing with a torch. Use a slow circular motion, so the entire bearing housing reaches approximately 82°C (180°F).
4. Slide the weight bearing into bearing housing.
5. If bearing will not seat, a brass drift may be used to carefully tap the bearing in place. The brass drift should only be used against the outer bearing race.
6. After the bearing housing has cooled, install shims (if used) and the bearing retainer. The bearing retainer must be placed with the grooved side toward the bearing. Secure with new self-locking bolts and washers. Tighten to 41 N·m (30 lb. ft.).
7. Tap bearing retainer with a brass drift to further seat the bearing. Recheck the torque on the bolts.
8. Using tooling (B), install the bearing housing onto the studs used at disassembly.
9. Install three bolts, 3/4 in. x 3 in. long, with two flat washers each, into the bearing housing and drum head. The bolts should be spaced about 90° apart.
10. Starting with the bottom bolt, turn the bolts in alternately to seat the bearing housing against the drum head.
11. Remove the three bolts and washers. Install eight 3/4 in. x 2 1/2 in. long bolts and washers. Tighten the bolts to a torque of 366 N·m (270 lb ft).
12. Repeat Steps 1 through 11 on the other side of the drum.
13. Install the coupling shaft to the left-hand weight shaft, if disassembled. Be sure to align timing mark "T" on the coupling shaft with "T" on the weight assembly.
14. Attach a lift truck to weight assembly (14) and slide the shaft into the bearing housing.
15. Install blocking under the weight assembly.
16. Repeat Steps 14 and 15 on the other side of the drum. Be sure to align the internal splines of the weight assembly with the splines of the coupling shaft.
17. Remove the blocking from under the weight shaft on one side of the drum.
18. Thoroughly clean the stub shaft before installing the roller bearing.
19. Make sure the oil metering holes are clean and free of obstructions.
|
Parts heated to 82°C (180°F) will cause immediate burns if touched with the bare skin. Suitable heat resistant gloves should be used for handling bearings or injury will result. |
|
| NOTICE |
|---|
Overheating component will cause damage. Check the temperature of the bearing housing with a 82°C (180°) thermal stick. |
20. Heat the bearing housing with a torch. Use a slow circular motion, so the entire bearing housing reaches approximately 82°C (180°F).
21. Slide the weight bearing into the bearing housing.
22. After the bearing housing has cooled, install shims (if used) and the bearing retainer. The bearing retainer must be placed with the grooved side toward the bearing. Secure the new self-locking bolts and washers. Tighten to a torque of 41 N·m (30 lb ft).
23. Tap the bearing retainer with a brass drift to further seat the bearing. Retighten the bolts to a torque of 41 N·m (30 lb ft).
24. Clean the surface of the stub shaft before installing the roller bearing.
|
Parts heated to 82°C (180°F) will cause immediate burns if touched with the bare skin. Suitable heat resistant gloves should be used for handling bearings or injury will result. |
|
25. Heat the inner bearing cone in an oven or oil bath to about 82°C (180°F).
26. Slide the inner bearing cone onto the stub shaft.
27. Drive the bearing cup into the roller bearing housing, using a flat board and a mallet.
28. When the bearing cup is flush with the housing, place a spacer against the race. Using a flat board and mallet, drive the bearing cup to the rim inside the hub. Remove the spacer.
29. Thoroughly grease the housing slots on the stub shaft. Place the roller bearing housing on the stub shaft.
30. Place the roller bearing spacer inside the roller bearing housing.
|
Parts heated to 82°C (180°F) will cause immediate burns if touched with the bare skin. Suitable heat resistant gloves should be used for handling bearings or injury will result. |
|
31. Heat the outer bearing cone, using the same procedure as for the inner bearing cone.
32. Slide the outer bearing cone inside the roller bearing housing, onto the stub shaft.
33. Install a new O-ring and seal onto the bearing retainer.
34. Install the bearing retainer to the stub shaft. Secure with new self-locking bolts.
35. Tap the retainer plate at several points to completely seat the bearing. Tighten the bolts to a torque of 47 N·m (35 lb ft).
36. Attach a lift truck to tooling (A). Using the same studs as in the disassembly procedure, slide the stub shaft onto the studs and tap the housing in as far as it will go with a nylon mallet.
37. Install three bolts, 3/4 in. x 2 1/2 in. long, with two flat washers each, into the bearing housing and drum head. The bolts should be spaced about 90° apart.
38. Starting with the bottom bolt, turn bolts in alternately to seat the bearing housing against the drum head.
39. Remove the three bolts and washers. Install eight 3/4 in. x 2 1/2 in. long bolts and washers. Tighten the bolts to a torque of 366 N·m (270 lb ft).
40. Remove the blocking under the weight shaft on the other side of the drum. Repeat Steps 18 through 39 on the remaining side of the drum.
41. Install key (10) and hub (9) on the shaft.
42. Install nut (8).
43. Install coupling (7).
44. Use a dial indicator to measure the end play of both eccentric weight shafts. End play should be .8 to 2.5 mm (.03 to .10 in). If the end play is not in tolerance, shim the weight bearings accordingly.
45. Install cover (6).
46. Attach a lift truck to vibra-arm (2). Secure vibra-arm to the drum with four nuts (4).
45. Install tach drive (5) and replace shock mounts (3) as necessary.
46. Fill the drum with the specified oil. The capacity of the drum is 22.7 liters (6 U.S. gallons).
End By:
a. install drum support
b. install drum