Periodical Inspections and Maintenance List

INSPECTION AND MAINTENANCE PROCEDURES

CRAWLER DRIVE UNIT

• Use the recommended lubricant for the reduction gear. • If a different brand is used, replace all lubricant with new brand. ☞ Engine oil SAE30-CD or equivalent is used at the time of shipment

First replacement of lubricant 500 Hr Second or following replacement 1,000 Hr Amount of lubricant 1500 cc (91 in 3 )

For the recommended lubricant and grease, refer to the list on page 72.

HOW TO FILL LUBRICANT

The cover is provided with two blind plugs. With the cover set vertically against the ground as shown in the figure, the top ports are for oil supply and inspection, and the bottom port for draining.

1. First remove the oil supply plug. 2. Fill the lubricant through the oil supply port. 3. Put back the plug to the oil supply ports. ★ Insert the plug with sealing tape.

Port for oil supply and checking oil level. (G1/8)

Oil discharge port (2-G3/8)

INSPECTION AND MAINTENANCE PROCEDURES

ADJUSTING THE SHIM IN THE BUCKET FIXING CLEARANCE

When the bucket fixing clearance is 0.7 mm or more, remove the adjusting shim and adjust the clearance to within 0.7 mm. ! Do not eliminate the entire clearance.

Arm Bucket

O-ring Adjust shim(t0.8)

Bolt(M10×30 ) Tightening torque 43 N . m

Standard thickness 0.2 mm~0.7 mm