Procedure to Install Parking Brake Lever That is Now Available For All 914G, 924G, 928G, 930G,938G, IT914G, IT928G, and IT938G Compact And Small Wheel Loaders{4284} Caterpillar


Procedure to Install Parking Brake Lever That is Now Available For All 914G, 924G, 928G, 930G,938G, IT914G, IT928G, and IT938G Compact And Small Wheel Loaders{4284}

Usage:

IT38G 1CW
Integrated Toolcarrier:
IT14G (S/N: FWL1-UP; 8ZM1-UP; KZN1-UP; 1WN1-UP)
IT28G (S/N: WAC1-UP; 8CR1-UP; 9AR1-UP; DBT1-UP)
IT38G Series II (S/N: JAN1-UP; CSX1-UP)
IT38G (S/N: 7BS1-UP; 1CW1-UP)
Compact Wheel Loader:
914G (S/N: PDF1-UP; 7ZM1-UP; 9WM1-UP)
914G2 (S/N: KNP1-UP)
IT14G2 (S/N: ERP1-UP)
Wheel Loader:
924G (S/N: DDA1-UP; RBB1-UP; WMB1-UP; AAN1-UP; 9SW1-UP; 3PZ1-UP)
924GZ (S/N: RTA1-UP; AAB1-UP; KTC1-UP; 6YW1-UP; WGX1-UP; DFZ1-UP; 3DZ1-UP)
928G (S/N: GMB1-UP; DJD1-UP; WLG1-UP; 6XR1-UP; 7SR1-UP)
930G (S/N: TWR1-UP; TFW1-UP)
938G Series II (S/N: RTB1-UP; MSC1-UP; CRD1-UP; PHN1-UP; B9Y1-UP)
938G (S/N: 4YS1-UP; 6WS1-UP; 8RS1-UP; 9HS1-UP)

Introduction

This Special Instruction includes the information needed to install the new parking brake lever.

The 9U-3439 Park Brake Lever As has been discontinued and is service replaced by the 323-4077 Lever As used in the 441-5758 Brake Control Gp .

To make this replacement on 924G, 928G, and 938G machines you will also need to change out the bracket assembly and cover assembly so the new 323-4077 Lever As can be used.

Safety

------ WARNING! ------

Improper operation, lubrication, maintenance or repair of this product can be dangerous and could result in injury or death.

Do not operate or perform any lubrication, maintenance or repair on this product, until you have read and understood the operation, lubrication, maintenance and repair information.

----------------------

Parts List

Table 1
Required Parts    
Item     Qty     Part
Number    
Description    
1     1     6S-6646     Cotter Pin    
2     1     125-0965     Retaining Ring    
3     1     323-4077     Lever As    
4     1     425-8286     Block    
5     1     447-2227     Boss    
6     1     163-6408     Bracket As    
7     2     032-8870     Spring Pin    
8     1     3H-8538     Pin    
9     1     8K-1433     Grommet    
10     4     8T-4189     Bolt    
11     4     8T-4224     Hard Washer    
12     1     8T-4742     Yoke Rod End    
13     1     8T-4744     Spring Pin Assembly    
14     1     136-2109     Cover As    
15     1     273-9436     Cable As    

Table 2
Existing Parts to be Reused    
Item     Qty     Part
Number    
Description    
16     1     6G-4195     Limit Switch As    
17     2     2N-3477     Screw    
18     4     4B-5324     Washer    
19     2     7D-6922     Locknut    
20     2     9X-2042     Screw    
21     2     9X-2045     Screw    

Removal of Existing Brake Control Group




    Illustration 1g03828453

  1. This cover assembly will need to be removed to gain access to the park brake mounting bracket.



    Illustration 2g03828464

    (20) 9X-2042 Screw

  1. Remove the cover first by removing screws (20). Retain the screws to use for installation of the new lever.



    Illustration 3g03828505

    (A) Strap

    (21) 9X-2045 Screw

  1. Then remove two screws (21) in the rear. Unbuckle strap assembly (A) and pull up to remove cover assembly, letting the straps pull through slots in the cover. Retain the screws to use for installation of the new lever.



    Illustration 4g03828559

    (B) Two nuts and washer

    (C) Clip

    (D) Cable

  1. Remove current park brake system by first removing two nuts and washer (B) from top of cable (D). Remove cable (D) from the lever assembly. Remove clip (C) from cable (D) inside the bracket assembly. Remove cable (D) from inside the cab by pulling down from underneath the cab.



    Illustration 5g03828578

    (16) 6G-4195 Limit Switch As

  1. Remove the three wires from switch assembly (16) .



    Illustration 6g03828649

    (E) Washer and bolt

  1. Remove the two washers and bolts (E) to remove the bracket assembly from the cab.



    Illustration 7g03828681

    (16) 6G-4195 Limit Switch As

    (17) 2N-3477 Screw

    (18) 4B-5324 Washer

    (19) 7D-6922 Locknut

  1. Remove switch assembly (16) from the bracket assembly, by removing two screws (17), four washers (18), and two nuts (19). Retain switch assembly (16) and the hardware to use for installation of the new lever.

Installation of the Brake Control Group




    Illustration 8g03829107

    (3) 323-4077 Lever As

    (6) 163-6408 Bracket As

    (10) 8T-4189 Bolt

    (11) 8T-4224 Hard Washer

  1. Install park brake lever assembly (3) onto bracket assembly (6) with two bolts (10) and washers (11) .



    Illustration 9g03829160

    (16) 6G-4195 Limit Switch As

    (17) 2N-3477 Screw

    (18) 4B-5324 Washer

    (19) 7D-6922 Locknut

  1. Install switch assembly (16) onto bracket assembly (6) with two screws (17), four washers (18), and two nuts (19) .

  1. Adjusting switch (16) so lever is pushed down when lever (3) is down.



    Illustration 10g03829255

    (F) Hole

    (6) 163-6408 Bracket As

    (10) 8T-4189 Bolt

    (11) 8T-4224 Hard Washer

  1. Enlarge rear hole (F) in bracket assembly (6) to 22 mm (0.87 inch) diameter.

    Note: Drill 22 mm (0.87 inch) diameter hole through floor of cab if no hole is present.

  1. Install bracket assembly (6) into cab with two bolts (10) and two washers (11) .



    Illustration 11g03829566

    (1) 6S-6646 Cotter Pin

    (4) 425-8286 Block

    (8) 3H-8538 Pin

  1. Install block (4) into park brake lever assembly (3) by removing pin (8) and inserting pin (8) from the opposite side. Locking into place with pin (1) .



    Illustration 12g03829691

    (2) 125-0965 Retaining Ring

    (3) 323-4077 Lever As

    (4) 425-8286 Block

    (5) 447-2227 Boss

    (6) 163-6408 Bracket As

    (12) 8T-4742 Yoke Rod End

    (13) 8T-4744 Spring Pin Assembly

    (15) 273-9436 Cable As

  1. Install boss (5) up from the under side of the cab through the hole in cab floor and bracket assembly (6). Lock boss into place with retaining ring (2) .

  1. Install park brake cable assembly (15) from underneath the cab, through boss (5) and up to park brake lever assembly (3) .

  1. Screw rod end (12) onto cable end and lock to block (4) with spring pin assembly (13) .



    Illustration 13g03829757

    (A) Common

    (B) Norm open

    (C) Norm closed

    (16) 6G-4195 Limit Switch As

  1. Install three wires to switch assembly (16) .

  1. Finish routing cable assembly (15) and adjust parking brake cable per instructions in service manual.



    Illustration 14g03830128

    (A) Strap

    (21) 9X-2045 Screw

  1. Install cover assembly (14) .

  1. Put two halves of strap assembly (A) through slots in cover assembly (14) and push cover down to install. Install two screws (21) in the rear.



    Illustration 15g03830140

    (20) 9X-2042 Screw

  1. Install two screws (20) in front.

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