Installing Caterpillar Radios in C Series Compact Track Loaders, Multi Terrain Loaders and Skid Steer Loaders{7338, 7338, 733C} Caterpillar

Installing Caterpillar Radios in C Series Compact Track Loaders, Multi Terrain Loaders and Skid Steer Loaders{7338, 7338, 733C}

Usage:

256C DWS

Compact Track Loader:: 279C (S/N: MBT1-UP); 289C (S/N: JMP1-UP); 299C (S/N: JSP1-UP)
Multi Terrain Loader:: 277C (S/N: JWF1-UP); 287C (S/N: MAS1-UP); 297C (S/N: GCP1-UP)
Skid Steer Loader:: 246C (S/N: JAY1-UP); 256C (S/N: DWS1-UP); 262C (S/N: MST1-UP); 272C (S/N: RED1-UP)

Introduction

ReferenceOperation and Maintenance, SEBU8020, "277C, 287C, and 297C Multi Terrain Loaders"

ReferenceOperation and Maintenance, SEBU8019, "246C, 256C, 262C, and 272C Skid Steer Loaders"

ReferenceDisassembly and Assembly, KENR5191, "277C, 287C, and 297C Multi Terrain Loaders Engine Supplement"

ReferenceDisassembly and Assembly, KENR5114, "236B, 246B, 246C, 252B, 256C, 262B, 262C, and 272C Skid Steer Loaders Engine Supplement"

This Special Instruction provides information for installing the following radios in the listed machines:

200-5729 Radio Gp
241-4936 Radio Gp
284-8953 Radio Gp
331-5297 Radio Gp

You should read the information and you should understand the information that is contained in the instruction before you begin installation.

Parts Information

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Table 1
Parts List
Item	Quantity	Part Number	Description
1	1	200-5729, 241-4936, 284-8953, or 331-5297	Radio Gp ⁽¹⁾
2	1	179-4324	Locknut ⁽¹⁾
3	1	8T-0328	Hard Washer ⁽¹⁾
4	1	8E-1118	Antenna As ⁽²⁾
5	1	200-5728	Radio Harness As ⁽²⁾
6	1	9U-8746	Coaxial Cable Assembly ⁽²⁾
7	1	258-4039	Spacer ⁽²⁾

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^( 1 )	This part must be provided by the customer.
^( 2 )	This part is provided inside the 258-4067 Cover on your machine.

Installation Procedure

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Illustration 1	g01451445
(10) 258-4068 Cover

Remove cover (10) from the rear liner. See Illustration 1.
Discard the cover.
Note: Cover (10) is installed in the rear liner of the cab in order to cover the opening that is provided for the radio.

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Illustration 2	g01451452
(11) 258-4067 Cover

Remove the parts that are provided inside cover (11). See Illustration 2.

Raise the cab. Refer to "Tilting the Cab Upward" in the Maintenance Section of the Operation and Maintenance Manual for your machine.

Disconnect the battery. Refer to "Battery and Battery Cable - Separate and Connect" in the Disassembly and Assembly Manual for your machine.

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Illustration 3	g01451460
(11) 258-4067 Cover (12) 5C-7261 Nut (13) 5P-4116 Hard Washer (14) 258-4074 Bracket

Remove nut (12) and hard washer (13) in order to separate bracket (14) from the canopy. See Illustration 3.

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Illustration 4	g01451463
(11) 258-4067 Cover

In order to remove cover (11), pry the cover from the retaining clips on both sides of the opening in the liner. See Illustration 4.

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Illustration 5	g01451475
(11) 258-4067 Cover (14) 258-4074 Bracket (15) 8Y-5947 Fastener

Remove bracket (14) from the rear of cover (11) by prying off fastener (15). See Illustration 5.
Discard fastener (15) .

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Illustration 6	g01416180

Use Illustration 6 and Table 2 for the specifications for the openings that are needed in the rear of cover (11). The openings are needed in order to accommodate the 200-5728 Radio Harness As (5) and the 9U-8746 Coaxial Cable Assembly (6).

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Table 2
Dimension	Radio
Dimension	200-5729	241-4936	284-8953	331-5297
A	75 mm (2.95 inch)	75 mm (2.95 inch)	58 mm (2.28 inch)	60 mm (2.36 inch)
B	13 mm (0.51 inch)	13 mm (0.51 inch)	14 mm (0.55 inch)	13 mm (0.5111 inch)
C	38 mm (1.50 inch)	38 mm (1.50 inch)	38 mm (1.50 inch)	38 mm (1.50 inch)
D	75 mm (2.95 inch)	75 mm (2.95 inch)	75 mm (2.95 inch)	75 mm (2.95 inch)
E	22 mm (0.87 inch)	22 mm (0.87 inch)	22 mm (0.87 inch)	14 mm (0.55 inch)
F	8 mm (0.32 inch)	8 mm (0.32 inch)	8 mm (0.32 inch)	8 mm (0.32 inch)

Cut the rectangular opening in the rear of cover (11) in the location that is specified for your radio. Use a die grinder in order to cut the opening in the cover.
Drill the 15 mm (0.59 inch) hole in the rear of cover (11) in the location that is specified for your radio.

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Illustration 7	g01451502
(7) 258-4039 Spacer

Locate spacer (7). Remove the three inserts (7A), (7B), and (7C) from the center of spacer (7). See Illustration 7.
Retain inserts (7A) and (7C) for installation in a later step in this instruction.
Discard insert (7B) .

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Illustration 8	g01451510
(7) 258-4039 Spacer

Install spacer (7) onto the back of the rear liner, as shown. See Illustration 8.
Note: Install the spacer by removing the protective paper strip from the adhesive and by pressing the spacer to the liner.

Locate the radio. Then, remove the 192-7054 Sleeve (16) from the radio.
Note: The 192-7054 Sleeve is provided with Caterpillar radios.

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Illustration 9	g01451483
(16) 192-7054 Sleeve

Insert sleeve (16) into the opening in the rear liner. See Illustration 9.
Secure the sleeve in place by bending the locking tabs against the back of the rear liner.

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Illustration 10	g01416700

Insert the radio into sleeve (16). Push the radio into the liner until the radio snaps in position. See Illustration 10.

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Illustration 11	g01453081
(5) 200-5728 Radio Harness As

Install harness assembly (5) to the connector on the back of the radio. See Illustration 11.

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Illustration 12	g01451541
(5) 200-5728 Radio Harness As (11) 258-4067 Cover

Slide cover (11) onto the radio.
Note: As you slide the cover onto the sleeve, pull harness assembly (5) through the opening in the rear of cover (11). See Illustration 12.

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Illustration 13	g01451515
(2) 179-4324 Locknut (3) 8T-0328 Hard Washer (5) 200-5728 Radio Harness As (6) 9U-8746 Coaxial Cable Assembly (11) 258-4067 Cover (12) 5C-7261 Nut (13) 5P-4116 Hard Washer (14) 258-4074 Bracket

Install bracket (14) to the stud that extends through cover (11) with locknut (2) and hard washer (3). Then, secure bracket (14) to the weld stud with nut (12) and hard washer (13). Tighten nut (12) to a torque of 15 ± 3 N·m (11 ± 2 lb ft). See Illustration 13.

Install coaxial cable (6) to the connector on the back of the radio. See Illustration 13.

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Illustration 14	g01451565
(5) 200-5728 Radio Harness As (6) 9U-8746 Coaxial Cable Assembly (7A) Insert from the 258-4039 Spacer (7C) Insert from the 258-4039 Spacer

Install insert (7A) in order to seal the opening around the harness assembly (5). Install insert (7C) in order to seal the opening around the coaxial cable (6). See Illustration 14.
Note: Install the inserts by removing the protective paper strip from the adhesive and by pressing the spacer to the flange.

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Illustration 15	g01451568
(20) Screw (21) Connector assembly (22) Washer (23) Screw

Install antenna (4) to the mounting bracket on the left wall of the canopy.
1. Remove screw (23) and remove the antenna from the base assembly.
1. Unscrew screw (20) in order to remove connector assembly (21) .
1. Position the antenna's base with washer (22) on the front side of the mounting bracket and position connector assembly (21) on the rear side of the mounting bracket. Then, reinstall screw (20) into connector assembly (21) in order to secure the antenna's base to the mounting bracket.
1. Reinstall the antenna to the base with screw (23) .

Connect coaxial cable (6) to connector assembly (21) .

Connect harness assembly (5) to harness connector C-C10 on the 258-4102 Cab Harness As . This 8-pin connector is located on the left side of the Electronic Control Monitor (ECM).

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