2007/10/08 A New Main Power Relay, Starter Relay and Glow Plug Relay are Now Used {1403, 1412, 4493, 7499} Caterpillar


A New Main Power Relay, Starter Relay and Glow Plug Relay are Now Used {1403, 1412, 4493, 7499}
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2007/10/08 [SEPD0909]
ELECTRICAL AND STARTING SYSTEM
GLOW PLUG GP
2007/10/08 A New Main Power Relay, Starter Relay and Glow Plug Relay are Now Used {1403, 1412, 4493, 7499}
Load Haul Dump:
R1300GSeries II (S/N: RSL1-UP)

Description of Change: A new main power relay, starter relay and glow plug relay are now used in the electrical and starting system.

Adaptable To: The new 254-3783 Magnetic Switch is adaptable to R1300GII (S/N: RSL1-1550).

The new 254-3783 Magnetic Switch is effective in production with R1300GII (S/N: RSL1551-UP).

Table 1
Former Part Number     Description     Replacement Part Number    
241-8368     Magnetic Switch     254-3783    

Procedure to Install the New Main Power Relay, Starter Relay and Glow Plug Relay

Table 2
Required Parts    
Qty     Part Number     Description    
3     254-3783     Magnetic Switch    
2     116-0118     Clip    
2     1DE4128 (316-2969)     Suppressor Harness    
1     1DE0064 (163-5807)     Cable Strap    

Main Power Relay Installation

  1. Turn the disconnect switch and the key start switch to the OFF position.



    Illustration 1g01412571

    Seat removed for photographic purposes

  1. Remove cover (1) .



    Illustration 2g01412575

    (2) 241-8368 Magnetic Switch

  1. Remove and discard 241-8368 Magnetic Switch (2) .

  1. Install 254-3783 Magnetic Switch.

  1. Install cover (1) .

Starter Relay Installation

  1. The disconnect switch and the key start switch remain in the OFF position.



    Illustration 3g01414154

    (1) 241-8368 Magnetic Switch

  1. Remove and discard magnetic switch (1).



    Illustration 4g01414155

    (2) 254-3783 Magnetic Switch

    (3) 116-0118 Clip

    (4) 1DE0064 Cable Strap

    (5) 1DE4128 Suppressor Harness

  1. Install magnetic switch (2) and clip (3) .

  1. Connect suppressor harness (5) between magnetic switch (2) and the existing harness.

  1. Install suppressor harness (5) to clip (3) .

  1. Install two cable straps (4) .

Glow Plug Relay Installation

  1. The disconnect switch and the key start switch remain in the OFF position.



    Illustration 5g01414158

    (1) 241-8368 Magnetic Switch

  1. Remove and discard magnetic switch (1).



    Illustration 6g01414159

    (2) 254-3783 Magnetic Switch

    (3) 1DE4128 Suppressor Harness

    (4) 116-0118 Clip

    (5) 1DE0064 Cable Strap

  1. Install magnetic switch (2) and clip (4) .

  1. Connect suppressor harness (3) between magnetic switch (2) and the existing harness.

  1. Install suppressor harness (3) to clip (4) .

  1. Install two cable straps (5) .

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