Komatsu Bulldozer D32P-1

24.10.1 CLEAN AIR CLEANER ELEMENTS

This machine is equipped with a dry-type air cleaner with replaceable filter elements. The air cleaner has two elements, a primary and a safety. The primary element can be cleaned for a limited number of times before replacement is necessary, however, the safety element must be replaced when plugged. Detailed service procedures for this air cleaner are covered in the following text.

As a precaution against dirt entering the engine:

Make sure the air cleaner connections and the turbocharger mounting gaskets are in good condition and all joints and connections are tight.

Never operate the engine unless a filter element is in place and the filter end cover gasket is installed.

Never remove the element from the air cleaner while the engine is running.

24.10.1.3 PRIMARY FILTER ELEMENT

REPLACING DRIVE TRAIN PRESSURE FILTER

SERVICING THE DRIVE TRAIN SUCTION STRAINER

Sign off on the bulldozer maintenance

24.9.1 DRAIN, FLUSH AND REFILL COOLING SYSTEM

Soon after the engine has been stopped, the coolant is hot and can cause personal injury. Allow the engine cool before draining the coolant.

Never remove the radiator cap when the engine is at operating temperature. At operating temperature, the coolant is under pressure. Steam blowing up from the radiator could cause personal injury.

Allow the engine to cool until the radiator filler cap is cool enough to touch with your hands. Remove the filler cap slowly to relieve pressure.

Never be under the machine with the engine running. To avoid serious injury, always stop the engine before being under the machine to open the drain valve.

When removing drain plug, avoid pouring coolant on yourself. + Antifreeze is flammable, so keep it away from any flame.

Flushing agents, neutralizing agents, and anticorrosive agents are strong acids or alkalize, so be careful not to get them on your skin.

If you should get any of these on your skin, wash off immediatelywith ample water.

24.8.1 SERVICING THE DRIVE TRAIN SUCTION STRAINER

1. Remove the operators compartment floor board to locate the strainer.

2. Remove the four bolts (2) and separate the housing (6) from the base (1). Remove the element (4) with o-ring (5).

3. Wash the element and housing in a commercial solvent and dry thoroughly. Replace o-rings (3 and 5). Remove all dirt from the inside of the base using a cloth dampened with solvent.

4. Check that the new o-ring (5) is in place in the groove in the element (4). Slip the non o-ring end of the element into the housing. Secure the housing to the base (1) with the hardware previously removed.

5. Start the engine and let it idle for approximately five minutes. During this time, check the strainer for leaks. Correct all leaks no matter how minor. Then check the level in the drive train system. Reinstall the operators compartment floor board.

For details of the fluid to use, see 20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE.

24.8.2 CHANGING DRIVE TRAIN SYSTEM OIL

1. Remove the drain plug immediately after operation while the lubricant is still warm. Drain into a suitable container.

The engine is equipped with an automatic belt tensioner that maintains correct tension on the drive belt. To check belt tension a Burroughs type gauge must be used because of the wide drive belt. Proper tension should be 110 to 150 N (80 to 110 lbs).

If a Burroughs type gauge is not available, tension may be checked by belt deflection. Press the belt with your finger at the longest span and measure the deflection. Maximum deflection 9.5 to 12.7mm (0.37 to 0.50 in).

With the automatic tensioner, adjustment isn't required.

To replace the drive belt, place a 12 in. drive breaker bar (1) in the square hole in the belt tensioner. Push the breaker bar UP to loosen the tensioner. Remove the old belt (2). Inspect belt tensioner. The tensioner pulley should spin freely with no rough spots detected under hand pressure. Install the new belt.