Caterpillar Cat C18 Industrial Engine (Prefix N8F) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
C18 Industrial Engine

Shutdown SIS
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Product: INDUSTRIAL ENGINE
Model: C18 INDUSTRIAL ENGINE N8F
Configuration: C18 Industrial Engine N8F00001-UP
Disassembly and Assembly
CX38–P892 Petroleum Transmission
Media Number -M0086381-00 Publication Date -01/10/2018 Date Updated -23/10/2018
i07566677
Pump Drive - Disassemble - Integral
SMCS - 3108-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 421-5662 Eyebolt Lifting Assembly 4
B 1P-2420 Transmission Repair Stand 1
C
1U-9895 Cross Block 1
123-4370 Puller Stud (M20 x 2.5) 1
FT-1408 Spacer 2
6V-7742 Nut 1
D 439-3939 Link Bracket Assembly 1
E 154-6181 Forcing Bolt 2
F 8B-7551 Bearing Puller Gp 1
Start By:
a. Remove the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Remove".
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https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...

Illustration 1 g06243397
1. With torque converter housing (3) placed on suitable cribbing, attach Tooling (A) to torque converter
housing (3). The weight of torque converter housing (3) is approximately 104 kg (230 lb).
2. Support bearing cage assembly (2) with suitable cribbing, allowing access to bolts (1). Remove bolts
(1). Use a suitable lifting device to remove torque converter housing (3) and place on Tooling (B).
3. Remove retaining ring (4). Remove gear assembly (5).
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4. Remove bearing cone (6) and bearing cup (7). Repeat this step for the opposite side.
5. Remove retaining rings (8).
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6. Remove bolt (9).
7. Attach Tooling (C) to idler shaft (10). Remove idler shaft (10).
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8. Remove idler gear assembly (11) and bearing assembly (12).
9. Attach tooling (D) to torque converter housing (3). Use a suitable lifting device to reposition torque
converter housing (3) 180 degrees on Tooling (B). The weight of torque converter housing (3) is
approximately 91 kg (200 lb).
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10. Remove bolts (13).
11. Attach Tooling (E) to location (X). Remove pump adapter (14) and remove the shims.
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12. Remove bearing race (15). Remove O-ring seal (16).
13. Remove bearing cup (17).
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14. Remove bolt (18).
15. Remove speed sensor (19) and the O-ring seal.
16. Remove pump drive gear (20).
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17. Remove ring seal (21).
18. Use Tooling (F) to remove bearing cone (22). Repeat this step for the remaining bearing cone.
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19. Remove bearing race (23).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Jun 14 22:22:51 UTC+0800 2020
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Shutdown SIS
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i07566805
Pump Drive - Assemble - Integral
SMCS - 3108-016
Assembly Procedure
Table 1
Required Tools
A 439-3939 Link Bracket Assembly 1
B 8T-5096 Dial Indicator Gp 1
C 1U-9895 Cross Block 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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1. Lower the temperature of bearing cup (23). Install bearing race (23).
2. Raise the temperature of bearing cone (22). Install bearing cone (22). Repeat this step for the
remaining bearing cone.
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3. Install ring seal (21).
4. Install pump drive gear (20).
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5. Install the O-ring seal onto speed sensor (19). Install speed sensor (19).
6. Install bolt (18). Tighten bolt (18) to a torque of 14 ± 3 N·m (124 ± 26.5 lb in)
7. Lower the temperature of bearing cup (17). Install bearing cup (17). Install the cover plate.
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8. Install O-ring seal (16). Install bearing race (15).
9. Install pump adapter (14).
10. Install bolts (13). Tighten bolts (13) to a torque of 55 ± 10 N·m (41 ± 7.4 lb ft).
11. Install Tooling (A). Use suitable lifting device to reposition torque converter housing (3) 180
degrees. The weight of the torque converter housing (3) is approximately 104 kg (230 lb).
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Note: Typical Example.
12. Use Tooling (B) to measure the end play of pump drive gear (20). The end play measurement must
be 0.10 to 0.20 mm (0.004 to 0.008 inch). Add or remove shims in order to obtain the correct end
play.
13. Repeat steps for the remaining pump drive gear.
14. Install bearing assembly (12).
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15. Install idler gear assembly (11).
16. Lower the temperature of idler shaft (10). Install idler shaft (10).
17. Install bolt (9).
18. Install retaining rings (8) on the gear assembly.
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19. Lower the temperature of bearing cup (7). Install bearing cup (7). Install bearing cone (6). Repeat
this step for the opposite side.
20. Install gear assembly (5).
21. Install retaining ring (4).
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22. Use Tooling (C) and a suitable lifting device to position bearing cage assembly (2). The weight of
bearing cage assembly (2) is approximately 38 kg (84 lb).
23. Install bolts (1).
End By:
a. Install the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Install".
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Shutdown SIS
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i07566979
Pump Drive - Install
SMCS - 3108-012
Installation Procedure
Table 1
Required Tools
A 421-5662 Eyebolt Lifting Assembly 4
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Inspect the O-ring seals, the seals, and the gaskets. Replace the O-ring seals, the seals, and the
gaskets that are worn or damaged.
Note: Lubricate O-ring seals lightly with the lubricant that is being sealed.
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1. The weight of torque converter housing (7) is approximately 136 kg (300 lb). Attach tooling (A) and
a suitable lifting device to torque converter housing (7).
2. Install torque converter housing (7).Install bolts (6).
3. Connect hose assembly (5). Connect hose assembly (4).
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4. Install flywheel adapter (3).
5. Install bolts (2). Install O-ring seal (1).
End By:
a. Install the torque converter. Refer to Disassembly and Assembly, "Torque Converter - Install".
b. Install the torque converter onto the transmission. Refer to Disassembly and Assembly,
"Transmission and Torque Converter - Connect".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Jun 14 22:24:43 UTC+0800 2020
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Shutdown SIS
Previous Screen
i07567097
Transmission Planetary - Disassemble
SMCS - 3030-015; 3160-015
Disassembly Procedure
Table 1
Required Tools
A
1U-5750 Engine Stand 1
1P-2850 Oil Drain Pan 1
FT-3308 Rollover Stand Fixture 1
B 422-5471 Lifting Eye Assembly 2
C 1P-2420 Transmission Repair Stand 1
D 469-7625 Spring Compressor 1
Start By:
a. Remove the torque converter.
For access to a video for this procedure you must have a CWS account, scan the QR code below with a QR enabled device or
copy the link below.
Table 2
Caterpillar Channel 1
Media
Number:
CATU0825
Title: CX-38 Disassembly and Assembly
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Channel
1 URL:
https://channel1.mediaspace.kaltura.com/media/CX38+Transmission+Disassembly+and+Assembly/1_hwtr6l0a
1. Replace all gaskets and check all seals for serviceability.
2. Install the transmission onto Tooling (A).
3. Note the location of the transmission wiring harness and any associated brackets and set to the side.
4. Remove bolts (1), the washers, and the clips. Mark the location of the clips.
5. Remove torque converter housing (2) and the gasket. Discard the gasket.
6. Remove bolts (3) and the washers. Remove pump (4).
7. Inspect the pump for any wear or damage. Refer to "Reuse and Salvage Guidelines" , (CX38 Transmission Pump
Inspection Guideline) for the correct inspection procedure.
Note: Failure to inspect the pump may result in future pump failure.
8. Remove bolts (5) and the washers. Note the location of bolts (5). Remove cover (7) and the gasket. Discard the gasket.
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Caterpillar Cat C18 Industrial Engine (Prefix N8F) Service Repair Manual Instant Download.pdf

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Caterpillar Cat C18 Industrial Engine (Prefix N8F) Service Repair Manual Instant Download.pdf