The document provides instructions for disassembling and assembling the air suspension system on a Caterpillar 963B track loader seat. It describes 22 steps to disassemble parts like the air spring, indicator, adjustment knob, and compressor. It then describes 19 steps to reassemble these parts in reverse order. Diagrams are provided to illustrate each step. Safety notices advise releasing air pressure before disassembly and wearing protective equipment when working with springs.
2. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 963B TRACK LOADER 9BL
Configuration: 963B Track-Type Loader 9BL00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
Comfort Series Seat For Caterpillar Machines
Media Number -RENR2165-12 Publication Date -01/10/2013 Date Updated -31/10/2013
i01753281
Comfort Seat Air Suspension with Air Compressor -
Disassemble
SMCS - 7318-015; 7324-015-AJ
Disassembly Procedure
The air spring of the air suspension is filled with air pressure.
Prior to disassembly, release the air pressure in the air spring. Failure
to do so could result in personal injury.
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3. Illustration 1 g00896756
1. Pull adjustment knob (1) in order to release the air from the seat.
2. Remove boot (2) .
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4. Illustration 2 g00896809
3. Remove bolts (3) in order to remove indicator (4) .
4. Loosen the setscrew in adjustment knob (1) and remove adjustment knob (1). Remove nut
(7) and lockwasher (6). Remove plate (5) from air valve (8) .
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5. Illustration 3 g00896818
5. Remove bolt (12) in order to disconnect cable assembly (11) .
6. Remove bolt (13) in order to remove lever (14) .
7. Remove bolts (9) in order to remove bracket (10) .
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6. Illustration 4 g00896839
8. Remove shaft assemblies (15) .
Illustration 5 g00896878
9. Remove cable strap (16) in order to disconnect harness assemblies (18) from upper housing
assembly (17) .
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7. Illustration 6 g00896886
10. Lift upper housing assembly (17) and push air valve (8) away from upper housing assembly
(17). Remove upper housing assembly (17) .
Illustration 7 g00896887
11. Disconnect harness assemblies (18) and hose assembly (19) from air valve (8) .
Illustration 8 g00896966
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9. Illustration 10 g00896969
12. Raise scissor assembly (20) and install blocking in order to prevent scissor assembly (20)
from falling.
13. Remove bolts (21) in order to remove shock absorber (22) from scissor assembly (20) and
housing assembly (23) .
14. Remove bolt (25) and clamp (24) in order to remove bracket (26) and cable assembly (11)
from shock absorber (22) .
15. Remove bearings (28) from shock absorber (22) .
Note: Illustration 10 shows the location of lockwasher (27), bearings (28), washers (29), nut
(30), and locknut (31) .
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10. Illustration 11 g00897000
Illustration 12 g00897002
16. Remove shaft (32) in order to remove toggle assembly (33) from scissor assembly (20) .
17. Remove screw (35) in order to disconnect spring assembly (34) from housing assembly
(23) .
Illustration 13 g00897049
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11. 18. Remove shaft assemblies (37) in order to remove scissor assembly (20) from housing
assembly (23) and tether straps (36) .
Illustration 14 g00897050
19. Remove shaft (38) in order to remove toggle assembly (39) from scissor assembly (20) .
Illustration 15 g00897055
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
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12. 20. Remove hose assembly (40) and bolt (41) in order to remove spring assembly (34) from
scissor assembly (20) .
Illustration 16 g00897058
21. Remove bolts (42) in order to remove compressor assembly (43) from scissor assembly
(20) .
Illustration 17 g00897059
22. Remove compressor assembly (43) from mount (44) .
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
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13. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 963B TRACK LOADER 9BL
Configuration: 963B Track-Type Loader 9BL00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
Comfort Series Seat For Caterpillar Machines
Media Number -RENR2165-12 Publication Date -01/10/2013 Date Updated -31/10/2013
i01753276
Comfort Seat Air Suspension with Air Compressor -
Assemble
SMCS - 7318-016; 7324-016-AJ
Assembly Procedure
Illustration 1 g00897059
1. Install compressor assembly (43) to mount (44). Make sure that compressor assembly (43)
is seated firmly in mount (44) .
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14. Illustration 2 g00897058
2. Install bolts (42) in order to attach compressor assembly (43) to scissor assembly (20) .
Illustration 3 g00897055
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
3. Install bolt (41) in order to attach spring assembly (34) to scissor assembly (20). Attach hose
assembly (40) to spring assembly (34) .
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15. Illustration 4 g00897050
4. Install shaft (38) in order to attach toggle assembly (39) to scissor assembly (20). Tighten
the two nuts for shaft (38) to a torque of 15 ± 3 N·m (11 ± 2 lb ft).
Illustration 5 g00897049
5. Install shaft assemblies (37) in order to attach tether straps (36) and scissor assembly (20) to
housing assembly (23). Tighten the nuts on shaft assemblies (37) to a torque of 20 ± 5 N·m
(15 ± 4 lb ft). Install blocking in order to prevent scissor assembly (20) from falling.
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16. Illustration 6 g00897002
Illustration 7 g00897000
6. Install screw (35) in order to attach housing assembly (23) to spring assembly (34) .
7. Install shaft (32) in order to attach toggle assembly (33) to scissor assembly (20). Tighten
the two nuts for shaft (32) to a torque of 15 ± 3 N·m (11 ± 2 lb ft).
Illustration 8 g00896969
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17. Illustration 9 g00896968
Illustration 10 g00896966
8. Install bearings (28) to shock absorber (22) .
9. Install bolt (25) and clamp (24) in order to attach bracket (26) and cable assembly (11) to
shock absorber (22) .
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19. 10. Install bolts (21) in order to attach shock absorber (22) to scissor assembly (20) and housing
assembly (23). Remove the blocking.
Note: Illustration 8 shows the location of lockwasher (27), bearings (28), washers (29), nut
(30), and locknut (31) .
Illustration 11 g00896887
11. Connect harness assemblies (18) and hose assembly (19) to air valve (8) .
Illustration 12 g00896886
12. Position air valve (8) to upper housing assembly (17). Position upper housing assembly (17)
to the seat.
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20. Illustration 13 g00896878
13. Install cable strap (16) in order to secure harness assemblies (18) to upper housing assembly
(17) .
Illustration 14 g00896839
14. Install shaft assemblies (15). Tighten the nuts for shaft assemblies (15) to a torque of 20 ± 5
N·m (15 ± 4 lb ft).
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21. Illustration 15 g00896818
15. Install bolts (9) in order to attach bracket (10) .
16. Install bolt (13) in order to attach lever (14) to bracket (10) .
17. Install bolt (12) in order to attach cable assembly (11) to lever (14) .
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22. Illustration 16 g00896809
18. Position plate (5) to the seat. Install lockwasher (6) and nut (7) in order to secure air valve
(8) to the seat. Tighten the setscrew in adjustment knob (1) in order to secure adjustment
knob (1) to air valve (8) .
19. Install bolts (3) in order to attach indicator (4) to the seat.
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