2002/04/01 Caterpillar

Forwarders:

554 (S/N: 1AM1-UP)

Reference: Refer to Special Instructions, SEHS9615, "Servicing Deutsch HD and DT Style Connectors".

Description of Change: New connectors are used on the gear shift harness. The new connectors improve service life and offer improved connectors.

Adaptable To: The new 202-5426 Connectors are effective with 554 (S/N: 1AM308-UP) Forwarders. The new connectors are adaptable to first production of the machines that are listed.

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Illustration 1	g00877277
(A) First Gear Solenoid (B) X89 Connector (C) Second Gear Solenoid (D) Transmission Brake

1. Disconnect the connectors from the gear shift valves. Label the connections. The existing harness should be cut approximately 150 mm (6 inch) from the splice, as shown.

2. Install six 9X-3402 Sockets onto the cut wires.

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Illustration 2	g00877343

3. Install the wires into the three 155-2260 Connectors. Install three 8T-8737 Seal Plugs. Refer to illustration 2 and table 2 for locations.
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   Table 2

   Connector	Function	Position (1)	Position (2)	Position (3)
   A	First Gear Solenoid	200 BK	768-OR	8T-8737 Seal Plug
   B	Second Gear Solenoid	200 BK	769-PU	8T-8737 Seal Plug
   C	Transmission Brake	200 BK	770-GY	8T-8737 Seal Plug

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Illustration 3	g00877361

4. Connect three new 202-5426 Connectors to the modified harness, as shown. Connect the harness to the solenoids.