
Maintenance
101
Adjusting the crawler tension
Tightening the crawlers
Position the grease gun on the grease nipple (1).
Pump the grease gun until the specified crawler tension is
obtained.
Loosening the crawlers
Cautiously unscrew the pressure valve (figure above, position 2) and loosen the crawler.
Grease could squirt out from the cylinder opening.
Screw in the pressure valve and torque to 98-108 Nm.
Tighten the crawler.
Replacing the drive unit oil
Only change the oil when the drive unit is warm to the hand; if not, drive the excavator warm.
Park the excavator on level ground so that the drain plug (figure below, position 2) is positioned at the
bottom.
Place a catch tray with a minimum capacity of 2 L under the drain plug.
Remove the drain plug and let the oil drain completely.
Install the drain plug with a new sealing ring on it.
Remove the oil filler plug (1).
Fill oil as specified in the "Recommended lubricants" section
(page 105). The oil level is the lower edge of the thread.
Capacity: 0.25
L
Refit the oil filler plug with a new sealing ring and tighten it.
Perform the same service on the second drive unit.
Содержание U17-3a
Страница 1: ...GB MINI EXCAVATOR MODEL U17 3α OPERATING INSTRUCTIONS W9232 8135 3 Original 03 2012 ...
Страница 22: ...Safety rules 22 17 Teile Nr RA238 5744 0 U17 3 ...
Страница 111: ...Lifting capacity of the excavator 111 Max lifting load during swivel operation is 360 Standard arm vs long arm l ...
Страница 117: ...Accessories 117 ...
Страница 118: ......