CAT Bulldozer D6N

Warning: At operating temperature, the hydraulic tank is hot and under pressure. Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin. Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.

The hydraulic tank is on the right rear corner of the machine.

Is the counterweight fully retracted?

Enter the oil level in sight gauge (1)

Does the hydraulic system require additional hydraulic oil?

If the hydraulic system requires additional hydraulic oil, remove filler cap (2) and add oil. Clean filler cap (2) and install filler cap (2).

Sign off on the hydraulic system oil level check

Warning: At operating temperature, the hydraulic tank is hot and under pressure. Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin. Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.

Slowly remove the hydraulic tank filler cap (3) in order to relieve the system pressure.

Open the access door that is located on the right side of the machine next to the filler cap.

Note: Remove case drain hydraulic filter (1). Discard the used filter. Remove the hydraulic system filter (2). Discard used filter. Replace both of the filters at the same time.

Inspect the seal on the filter housings for filter (1,2, and 4). If the seals are damaged or worn, install new seals. Install a new filter element into the filter housing for (1, 2,and 4).

Hydraulic System Case Drain Filter - Replace

Hydraulic System Oil Sample - Obtain(500 Hourly Maintenance);

Sign off on the bulldozer maintenance

Perform the daily maintenance before you mount the machine in order to operate the machine.

Cooling System Coolant Level - Check

Counterweight Cylinder Bearings - Lubricate

Counterweight Hinge Pins - Lubricate

Hydraulic System Oil Level - Check

Sheave Block Bearings - Lubricate

Lower the boom enough to remove the load blocks and the sheave block

Remove cotter pin, the retainer, and pin (1). Lower the load block and the hook block to the ground

Replace the pin (1) in the boom

Place the load block and the hook block in the front-mounted rigging tray, and secure the blocks to the tray for transportation

Draw in the excess hook cable in order to pull the sheave blocks to the machine. Use the Hook Line Stowing Guide to keep the line clear of the tracks. DO NOT over tighten the cables

Lower the boom to the horizontal position onto wood blocks that are sufficient to support the boom

Remove the cotter pin, the retainer, and pin (2)

Replace the pin and the retainer (2) in the boom

Move the luff block clear of the boom and area; it will be secured after the boom has been removed

Investigate the travel route for overpass clearances. Make sure that there is adequate clearance for the machine that is being transported.

Removal of ice, snow, or other slippery material from the loading dock and from the truck bed

NOTICE: Obey all state and local laws governing the weight, width, and length of a load. Observe all regulations governing wide loads.

Place blocks under the trailer wheels or under the rail car wheels before loading

Move the transmission control lever to the NEUTRAL position

Engage the parking brake switch

Turn the start switch key to the OFF position. Remove the key and lock the parking brake switch

Turn the battery disconnect switch to the OFF position. Remove the key