2007/12/10 Caterpillar


Updated Coolant Lines are Now Used in Medium Wheel Loaders {1377}

Usage:

966H A6D
Integrated Toolcarrier:
IT62H (S/N: M5G1-UP)
Wheel Loader:
950H (S/N: N1A1-UP; M1G1-UP; J5J1-UP; K5K1-UP)
962H (S/N: N4A1-UP; M3G1-UP; J6J1-UP; K6K1-UP)
966H (S/N: A6D1-UP; A6G1-UP; A6J1-UP)
972H (S/N: A7D1-UP; A7G1-UP; A7J1-UP)

Description of Change: A new shunt tank is released. The routing for the vent is changed in order to improve the flow of engine coolant.

Adaptable To: The improvement is adaptable to first production of the machines that are listed above. The improvement is effective with the following machines:

  • 950H (S/N: J5J562-UP; K5K1615-UP; M1G1129-UP; N1A1858-UP)

  • 962H (S/N: J6J233-UP; K6K320-UP; M3G357-UP; N4A726-UP)

  • IT62H (S/N: M5G358-UP)

  • 966H (S/N: A6D1261-UP; A6G2435-UP; A6J765-UP)

  • 972H (S/N: A7D536-UP; A7G811-UP; A7J255-UP)

Installation Procedure




Illustration 1g01343898

Coolant tank

(1) 274-7407 Tee

Loosen the hose clamps. Disconnect the existing hoses from 274-7407 Tee (1) on the coolant tank. Disconnect the hose from the bottom of the coolant tank. Remove the coolant tank.




Illustration 2g01414032

(2) 312-1735 Water Tank

(3) 6S-8620 Hose Clamp

(4) 5P-4924 Elbow

(5) 3J-1907 O-Ring Seal

(6) 5P-1046 Connector

(7) 3J-7354 O-Ring Seal

Install 312-1735 Water Tank (2). The new tank is mounted in the same location as the old tank. Reconnect the hose to the bottom of the tank.

Install 5P-4924 Elbow (4) with 3J-1907 O-Ring Seal (5) into the port on the right side of the tank. Connect the hose that was previously connected to the rear of the 274-7407 Tee (1) to 5P-4924 Elbow (4). Use 6S-8620 Hose Clamp (3) in order to secure the hose.

Install 5P-1046 Connector (6) with 3J-7354 O-Ring Seal (7) into the port on the front side of the tank. Connect the hose that was previously connected to the front of the 274-7407 Tee (1) to 5P-1046 Connector (6). Use 6S-8620 Hose Clamp (3) in order to secure the hose.

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