Lubrication, Repair And Maintenance; Operation And Maintenance Of Rubber Crawler; Tension Force Of Rubber Crawler; Ground - XCMG XZ320 Operation Instructions Manual

Manual of XZ320 Horizontal Directional Drill
VI. Lubrication, repair and maintenance

1 Operation and maintenance of rubber crawler

1.1 Tension force of rubber crawler

Tension force of rubber crawler must be adjusted before operation of
driving device. (Rubber crawler has been adjusted before leaving the
factory.) It must be adjusted if crawler has large pendant length during
operation. Adjustment method is as follows: Grease shall be added into the
tension device by grease gun until rubber crawler can meet tension
standards.
Tension standard of rubber crawler is as follows: The maximum pendant
length of rubber crawler between 2 upper supports is less than or equal to
10mm.

1.2 Ground

Rubber crawler is strictly prohibited to use for following pavement because
texture may be damaged. Sharp turn shall be evaded with super-low speed
for operation under following conditions:
1.2.1 Grit road
1.2.2 Stone road
1.2.3 Steps
1.3 Warning:
1.3.1 Driver shall drive it slowly and carefully on the rough pavement to
avoid damage to wheel and crawler.
1.3.2 Strive to avoid abrasion between rubber crawler and cement wall
during driving to avoid rim crack of rubber crawler.
1.4 Driving technique of driver will influence service life of rubber crawler
greatly.
1.4.1 Driver shall turn in times with low speed during operation. Driving
speed shall be changed gradually during driving to avoid crash and
emergency stop.
1.4.2 Avoid sharp turn on the cement pavement and avoid damage to
wheel or crawler.
1.4.3 Driving rubber crawler shall not contact salt or salt fog because it may
influence bonding of rubber and metal parts. It shall be washed by water
after contacting salt.
1.4.4 Driving rubber crawler shall not contact fuel oil or hydraulic oil. Stain
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