[1] – Park machine safely. [2] – Allow engine to cool. [3] – Check that cooling system is cool and squeeze top radiator hose to check that system pressure has dropped. [4] – Remove thermostat. (See Remove and Install Thermostat in Section 20, Group 10.) [5] – Suspend thermostat and a thermometer in a container… Read More »
[1] – Check that cooling system is cool and squeeze top radiator hose to check that system pressure has dropped. [2] – [3] – Pressurize system with tester to specification. [4] – Check for leaks throughout cooling system. Results – Pressure should hold to specifications. If pressure decreases, check for leaks. Repair leaks or replace… Read More »
Reason: To determine the condition of the pistons, rings, cylinder walls and valves. Equipment: JT01682 Compression Gauge Assembly JDG472 Adapter Procedure: [1] – Run engine for 5 minutes to bring to operating temperature. Shut off engine. [2] – Remove injection nozzles. [3] – [4] – Install JT01682 Compression Gauge Assembly and JDG472 Adapter in injection… Read More »
Reason: To determine the condition of the pistons, rings, cylinder walls and valves. Equipment: JT01682 Compression Gauge Assembly JDG472 Adapter Procedure: [1] – Run engine for 5 minutes to bring to operating temperature. Shut off engine. [2] – Remove injection nozzles. [3] – [4] – Install JT01682 Compression Gauge Assembly and JDG472 Adapter in injection… Read More »
[1] – Remove timing gear cover. (See Remove and Install Timing Gear Cover in Section 20, Group 05.) [2] – Place dial indicator magnetic base on cylinder block with tip of indicator on tooth of gear being measured. [3] – Holding opposite gear stationary, move measured gear back and forth while measuring backlash between meshing… Read More »
[1] – Remove timing gear cover. (See Remove and Install Timing Gear Cover in Section 20, Group 05.) [2] – Fasten dial indicator base to cylinder block and position indicator tip on end of camshaft. [3] – Push camshaft toward the rear as far as possible. [4] – Zero the dial indicator. [5] – Pull… Read More »
[1] – Park machine safely. [2] – Be sure that ignition key is OFF before attempting to turn engine by hand. [3] – Remove valve cover. [4] – →NOTE: ?Top Dead Center (TDC)? is when the piston is at it?s highest point of travel in the cylinder on the compression stroke. Number one cylinder is… Read More »
IMPORTANT: The fast idle adjustment is preset by the engine manufacturer to comply with emissions requirements and is not adjustable. Tampering with the fast idle adjustment may result in fines or penalties. IMPORTANT: If it is determined that either the fuel injection pump or governor assembly need repair, they must be replaced only as complete… Read More »
[1] – Park machine safely. [2] – Place a small piece of reflective tape on the outside edge of crankshaft pulley. [3] – Start engine and run for 5 minutes to obtain normal operating temperature. [4] – Move throttle lever to slow idle position. [5] – Check that governor throttle lever (A) is against slow… Read More »
[1] – Park machine safely. [2] – Place throttle in fast idle position. [3] – Check if tab on throttle lever touches high speed throttle screw (A). [4] – If tab on throttle lever is not touching high speed throttle screw loosen jam nuts (B). Adjust nuts so throttle lever tab contacts screw. Tighten jam… Read More »