- Track-Type Tractor:
- D7R (S/N: R7B1-UP; R7C1-UP; R7H1-UP)
Introduction
This Special Instruction provides the procedure for the installation of the No. 7 Ripper on D7R machines.
After the installation is complete, prepare the machine for service. Follow the procedures in the Operation and Maintenance Manual for your machine.
Do not perform any procedure in this Special Instruction or order any parts until you read the information and you understand the information.
Safety
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Do not attempt to assemble this machine until you read and you understand the assembly instructions. Improper assembly procedures could result in injury or death. |
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Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
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Do not let any dirt or foreign material get into the hydraulic system during assembly or maintenance operations. Keep the oil in the hydraulic system at the correct level to prevent pump cavitation. Clean all surfaces where parts are to be installed. |
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When a hoist is used to lift any component, stand clear of the area. Always make sure that the hoist has the correct capacity. Approximate weights of the components are shown in Table 1 |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. |
Note: No oil or lubricant is recommended on new fasteners. When fasteners are reused after being used in the field, the fasteners should be cleaned and lightly oiled before assembly. Instructions are given when lubrication is required.
Weights
| Weights for Specified Components of the No. 7 Ripper | |
| Description | Weight |
| Beam Assembly | 958 kg (2110 lb) |
| Frame | 747 kg (1645 lb) |
| Bracket | 260 kg (575 lb) |
| Lift Cylinder | 115 kg (253 lb) |
| Tilt Cylinder | 113 kg (250 lb) |
| Shank | 133 kg (290 lb) |
| Transmission Guard | 71 kg (157 lb) |
Necessary Parts
| 462-3617 Ripper Mounting | |||
| Item | Qty | Part Number | Description |
| 1 | 1 | 164-4718 | Bracket (Left) |
| 2 | 1 | 164-4719 | Bracket (Right) |
| 3 | 16 | 5T-1352 | Spacer |
| 4 | 16 | 7X-2581 | Bolt |
| 5 | 4 | 7X-2562 | Bolt |
| 6 | 4 | 8T-4123 | Washer |
| 7 | 2 | 119-4153 | Bracket |
| 462-3618 Transmission Guard | |||
| Item | Qty | Part Number | Description |
| 8 | 1 | 165-6937 | Guard |
| 9 | 2 | 166-0383 | Bolt |
| 10 | 4 | 8T-4121 | Hard Washer |
| 11 | 4 | 161-7623 | Bolt |
| 12 | 2 | 8T-4131 | Nut |
| 13 | 1 | 209-0547 | Plate |
| 14 | 2 | 8T-4187 | Bolt |
| 15 | 6 | 8T-5439 | Washer |
| 164-4990 Ripper Lines | |||
| Item | Qty | Part Number | Description |
| 16 | 1 | 167-7642 | Hose (Right) |
| 17 | 1 | 167-7641 | Hose (Left) |
| 18 | 2 | 167-7640 | Hose |
| 19 | 2 | 167-7643 | Hose |
| 20 | 1 | 9U-9540 | Hose (Right) |
| 21 | 1 | 119-6024 | Hose (Left) |
| 22 | 12 | 4J-0520 | O-ring Seal |
| 23 | 4 | 4J-5267 | O-ring Seal |
| 24 | 3 | 139-2456 | Shield |
| 25 | 3 | 139-2455 | Shield |
| 26 | 6 | 130-9191 | Grommet |
| 27 | 12 | 130-1977 | Shield |
| 28 | 12 | 9M-2904 | Hose Clamp |
| 164-4720 Ripper Frame | |||
| Item | Qty | Part Number | Description |
| 29 | 2 | 6V-9313 | Plug |
| 30 | 4 | 4T-0202 | Pin |
| 31 | 2 | 4T-0203 | Pin |
| 32 | 2 | 1U-0990 | Pin |
| 33 | 2 | 7X-2568 | Bolt |
| 34 | 2 | 6V-7688 | Locknut |
| 35 | 8 | 3E-6757 | Lip Seal |
| 36 | 16 | 3E-6756 | Lip Seal |
| 37 | 1 | 155-7861 | Frame |
| 38 | 12 | 4T-3522 | Washer |
| 39 | 4 | 4T-1389 | Pin |
| 40 | 20 | 8T-5460 | Bolt |
| 41 | 10 | 7T-7305 | Plate |
| 378-7501 Ripper | |||
| Item | Qty | Part Number | Description |
| 42 | 1 | 378-7500 | Beam Assembly |
| 43 | 3 | 9W-7382 | Shank |
| 44 | 3 | 6Y-0359 | Tip |
| 45 | 6 | 1J-2919 | Cotter |
| 46 | 3 | 4J-5240 | Pin |
| 47 | 6 | 4J-5241 | Retainer |
| 48 | 3 | 114-0358 | Pin |
| 49 | 3 | 114-0359 | Retainer |
| 6 | 0L-1329 (1) | Bolt | |
| 6 | 1K-6872 (1) | Locknut | |
| 6 | 9W-9224 (1) | Retainer | |
| ( 1 ) | Optional parts may be used to replace 1J-2919 and 4J-5241. |
| Cylinder Groups | |||
| Item | Qty | Part Number | Description |
| 50 | 2 | 164-7320 | Lift Cylinder |
| 51 | 2 | 189-4645 | Tilt Cylinder |
Installation of Ripper Frame
Note: Clean all surfaces prior to installation. Remove the paint from any mating surfaces.
Note: Remove the drawbar (if equipped) from the machine.
- Install brackets (1) and (2) with bolts (4) and spacers (3). Tighten the bolts with a wrench prior to tightening with a torque wrench. Torque the bolts. Refer to Illustration 1.
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| Illustration 1 | g00825251 |
Ripper mounting (rear view) | |
- Install eight seals (35) into frame (37) with the lips to the outside. Refer to Details (B-B) and (F-F) in Illustration 2.
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| Illustration 2 | g00824996 |
- Install plugs (29) into the bosses on frame (37) .
- Install frame (37) to brackets (1) and (2) with washers (38), pins (39), bolts (40), and plates (41). Refer to Detail (F-F) in Illustration 2.
Note: Use washers on both sides of the frame to eliminate side movement. Lower the rear end of the frame to the ground.
Installation of Transmission Guard
- Install brackets (7) onto brackets (1) and (2) with bolts (5) and washers (6). Do not tighten bolts (5) at this time.
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| Illustration 3 | g03775338 |
Transmission Guard (side view) | |
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| Illustration 4 | g00825104 |
Transmission Guard (rear view) | |
- Install transmission guard (8) to brackets (1), (2), and (7) with bolts (9), washers (15), bolts (14), and nuts (12). Push the transmission guard forward against the stops on the bracket and tighten the bottom bolts. Tighten the top bolts. Install plate (13) to transmission guard (8) with bolts (11) and washers (10) .
Installation of Ripper Lift Cylinders and Ripper Tilt Cylinders
- Install two seals (36) into each end of lift cylinders (50) with the lips to the outside. Refer to Details (A-A) and (E-E) in Illustration 2.
Note: Use stands or use wood blocks under the frame to hold the frame in a level position during assembly.
- Install two seals (36) into each end of tilt cylinders (51) with the lips to the outside. Refer to Details (C-C) and (D-D) in Illustration 2.
- Install lift cylinders (50) to brackets (1) and (2) with pins (30), bolts (40), and plates (41). Refer to Detail (E-E) in Illustration 2.
- Connect hoses (19) and (20) to the right-hand side of the control valve with flanges, seals (22), bolts, and washers. Connect the other end of hoses (19) and (20) to the right lift cylinder with flanges, seals (23), bolts, and washers. Install shield (25) when hose (20) is assembled to the rod end with the bolts. Install grommets (26), shields (27), and hose clamps (28) onto hose (20). Refer to Illustration 6.
Note: Flanges with bolts and washers are provided with the lift cylinders and the control valve.
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| Illustration 5 | g00825107 |
Ripper Lines | |
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| Illustration 6 | g00830909 |
- Connect hoses (19) and (21) to the left-hand side of the control valve with flanges, seals (22), bolts, and washers. Connect the other end of hoses (19) and (21) to the left lift cylinder with flanges, seals (23), bolts, and washers. Install shield (26) when hose (21) is assembled to the rod end with the bolts. Install grommets (26), shields (27), and hose clamps (28) onto hose (21). Refer to Illustration 6.
Note: Flanges with bolts and washers are provided with the lift cylinders and the control valve.
- Install lift cylinders (50) to frame (37) with pins (31), bolts (40), and plates (41). Refer to Detail (A-A) in Illustration 2.
- Install tilt cylinders (51) to brackets (1) and (2) with pins (32), bolts (33), and locknuts (34). Refer to Detail (D-D) in Illustration 2.
Note: Tighten locknut (34) with a torque of 120 ± 20 N·m (89 ± 15 lb ft)
- Connect hoses (16) and (18) to the right-hand side of the control valve with flanges, seals (22), bolts, and washers. Connect the other end of hoses (16) and (18) to the right tilt cylinder with flanges, seals (22), bolts, and washers. Install shields (25) when hoses (16) and (18) are assembled to the tilt cylinder with the bolts. Install grommets (26), shields (27), and hose clamps (28) onto hoses (16) and (18). Refer to Illustration 6.
Note: Flanges with bolts and washers are provided with the tilt cylinders and the control valve.
- Connect hoses (17) and (18) to the left-hand side of the control valve with flanges, seals (22), bolts, and washers. Connect the other end of hoses (17) and (18) to the left tilt cylinder with flanges, seals (22), bolts, and washers. Install shields (24) when hoses (17) and (18) are assembled to the tilt cylinder with the bolts. Install grommets (26), shields (27), and hose clamps (28) onto hoses (17) and (18). Refer to Illustration 6.
Note: Flanges with bolts and washers are provided with the tilt cylinders and the control valve.
- Cycle the ripper several times through the entire lift and tilt ranges. Check all connections for leaks. Repair any damaged connections.
Installation of Ripper Beam and Shanks
- Install beam assembly (42) to frame (37) with pins (39), washers (38), bolts (40), and plates (41). Refer to Detail (B-B) in Illustration 2.
Note: Use washers on both sides of the frame to eliminate side movement.
- Connect tilt cylinders (51) to beam assembly (42) with pins (30), bolts (40), and plates (41). Refer to Detail (C-C) in Illustration 2.
- Install ripper shanks (43) with cotters (45), pins (46), and retainers (47) .
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| Illustration 7 | g00825216 |
Ripper Tip and Shank | |
- Install tips (44) with pins (48) and retainers (49) .