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Product: ARTICULATED TRUCK
Model: D350D ARTICULATED TRUCK 9RF
Configuration: D25D, D30D, D350D ARTICULATED TRUCK 9RF00001-UP (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
Comfort Series Seat For Caterpillar Machines Media Number -RENR2165-12
Mechanical Suspension With Variable Damper - Assemble
SMCS - 7324-016-ME
Assembly Procedure
1. Check the condition of all parts of the mechanical suspension. If any of the parts are worn or damaged, install new parts.
2. Install indicator band (61) and new tie-wraps (60). Install pin (62) in the bracket.
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3. Install height adjustment lever (59) and handle (58). Install the key for the height adjustment lever.
Illustration 3
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Note: Apply 5N-5561 Lubrication Compound on the roller shafts before installation.
4. Install arm assembly (55) and spring (57). Install roller (53) and two spacers. Install retaining ring (52). Install roller (54) and the pin. Install retaining ring (57). Make sure that the rollers do not bind.
Illustration 4
5. Install cam (49) in suspension arm (36). Install retaining rings (51) and (50) and the pins.
Illustration 5
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6. Install the shaft and suspension arm (36). Install two spacers (48) on shaft (34).
Illustration 6
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7. Assemble the spring assembly. Install rod assembly (47), retainer (45), spring (46) and guide bushing (44) .
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8. Attach Tool (A) to spring assembly (43), as shown. Slowly compress spring assembly (43). Use Tool (A) to install the spring assembly on the shaft as a unit.
9. Repeat Steps 7 and 8 for the spring assembly on the other side of the suspension arm.
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Illustration 9
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Note: Apply 5N-5561 Lubrication Compound on the roller shafts before installation.
10. Install retaining rings (42) and (38), washers (41), (39) and (37), and rollers (40). Install roller assembly (35) on each side of suspension arm (36). Make sure that the rollers do not bind.
Illustration 10
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11. Install two springs (26) and plastic bearings (32) on height adjustment shaft (34). Install retaining ring (33) on each side of height adjustment shaft (34) .
Illustration 11
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12. Install nut (28), weight adjustment screw (29), two races, the thrust bearing, weight adjustment knob (31) and pin (30). Turn weight adjustment knob (25) in the positive (+) direction in order to apply tension to springs (26). Install pin (27) in the end of weight adjustment screw (29) .
Illustration 12
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Note: During removal of the wire cable, the wire cable will be cut. The wire cable will not be reusable. A new wire cable must be installed during assembly of the mechanical suspension.
13. Install variable damper (20), retainer (24), two bearings (25), bracket (23) and arm (22). Install new adjustable bracket (21). Install the pin in arm (22). Install a new wire cable in the variable damper. Connect wire cable (16) to bracket (23) .
Note: Adjustable bracket (21) must be replaced. The bracket will be damaged during the removal procedure.
Illustration 13
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Note: Apply 5N-5561 Lubrication Compound on the roller shafts before installation.
14. Install four rollers (19), two tether belts (18) and four bearings (17). Make sure that the rollers do not bind.
Illustration 14
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15. Install scissor assembly (13) on upper housing (14) .
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16. Slide wire cable (16) into upper housing (14). Install the upper shaft assembly. Install locknut (15) on the upper shaft assembly.
Illustration 16
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17. Install the tie-wraps in order to hold the adjustable cable to upper housing (14). Tilt the lower housing forward and slide the lower housing onto scissor assembly (13) and onto upper housing (14) .
Illustration 17
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18. Install the lower shaft assembly. Install locknut (11) .
Illustration 18
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19. Install ball (9), spring (8) and knob (7). Install pin (10) .
Illustration 19
20. Install two retainers (1) and boot (6) .
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21. Install two brackets (4), the locknuts on two brackets (4), the washers, two bolts (5) and four bolts (2). Tighten the bolts to a torque of 25 ± 6 N·m (18 ± 4 lb ft). Install four slider blocks (3) .
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