PUMP GP-GOV & FUEL INJ 6I4275 - Caterpillar

Remove the plug from engine block outlet (K). Install elbow (25) in engine block outlet (K). Refer to Illustration 34 for the orientation of the elbow.Tighten the elbow to a torque of 25 6 N m (18 4 lb ft).Note: Use thread sealant in the installation of the elbow in the engine block outlet.
Route hose (G) to engine block outlet (K). Install the hose to elbow (25) with a band clamp (8).Tighten the hose clamp to a torque of 6 1 N m (4 1 lb ft).
Illustration 35 g01040814
Securing hose (G)
( 4) 6V-2235 Clip
(9) 8T-4121 Hard Washer
(10) 8T-4133 Nut (M10x1.5)
(11) 8T-4137 Bolt (M10x1.5)
(17) 9X-8250 Clip
Secure hose (G) to the radiator hose. Place clip (4) around the radiator hose and place clip (17) around hose (G). Use a M10x1.5 bolt (11), two hard washers (9), and a M10x1.5 nut (10) to secure the two loops together, as shown. Refer to Illustration 35.Tighten the bolt to a torque of 55 10 N m (41 7 lb ft).
Illustration 36 g01041046
Securing hose (G) to the elbow assembly
(2) 5P-4116 Hard Washer
(12) 8T-4189 Bolt (M8x1.25)
(17) 9X-8250 ClipNote: For 242B3, 257B3, and 259B3 machines with repowered engines, proceed to Step 11.
Secure hose (G) to the elbow assembly on the outlet of the turbocharger. Use clip (17), a hard washer (2), and a M8x1.25 bolt (12). Refer to Illustration 36.Tighten the bolt to a torque of 28 7 N m (21 5 lb ft).
Illustration 37 g06293526
Securing hose (G) to the elbow assembly
(2) 5P-4116 Hard Washer
(17) 9X-8250 Clip
(43) 8T-4136 Bolt (M10x1.50)
Secure hose (G) to the elbow assembly on the outlet of the turbocharger. Use clip (17), a hard washer (2), and a M10x1.50 bolt (43). Refer to Illustration 37.Tighten the bolt to 55 10 N m (41 7 lb ft).Completing and Checking the Installation
Plug the heater electrical connector into Connector A-C8 in the 216-4702 Platform Harness As (Lower).
Illustration 38 g01040765
Position in the fuse block for the 20 amp fuse for the heater fan
Check that a 20 amp fuse is installed in the fuse block for the heater fan. Refer to Illustration 38.
Refill the cooling system.Refer to “Coolant Recommendations” and refer to “Cooling System Specifications” in the Operation and Maintenance Manual for your machine.
Start the engine. Run the engine without the radiator cap until the thermostat opens and the coolant level stabilizes. Maintain the coolant level in the sight gauge.
Stop the engine. Install the radiator cap.
Check the hoses and check the fittings for leaks.
Start the engine.
Check the heater for proper operation.
Illustration 39 g01041281
The temperature control knob (H1) adjusts the output temperature. Refer to Illustration 39.
Turn the temperature control knob clockwise to increase the temperature.
Turn the temperature control knob counterclockwise to decrease the temperature.
The fan switch (H2) controls the two-speed blower fan motor. Refer to Illustration 39.
Press the rear portion of the rocker switch for low fan speed.
Press the front portion of the rocker switch for high fan speed.
Return the switch to the