SHB 803 en – Edition 2.4 * 803s314.fm 3-41
Maintenance
3.16 Tracks
• Track wear can vary according to work and ground conditions.
☞We recommend checking track wear and tension once a day.
☞Park the machine on firm and level ground to check and perform maintenance.
Checking track tension
Working under the machine with the tracks off the ground and only supported
by the attachment is extremely dangerous.
Caution, danger!
☞Firmly support the machine with chocks or suitable brackets
Check track tension as follows:
☞Stop the machine on firm, level and horizontal ground
☞Raise the machine evenly and horizontally
☞Raise the machine by means of the boom and the stabilizer blade
☞Slowly and carefully actuate the control levers
• The rubber track has a mark B as shown in Fig. 38
☞Place the excavator so that mark B of the rubber track is between the drive pinion C
and the track tension roller D
☞Stop the engine
☞Remove the key and carry it with you
☞Lock the control levers
• Standard play a between the shoulder of the sliding block and the contact area of the
second support roller of the drive pinion is 15 – 20 mm (0.6 – 0.8").
☞Set the tension as follows if it is not in accordance with the rated value.
Fig. 37: Raising the excavator
Fig. 38: Rubber track mark
B
D
C
Fig. 39: Measuring distance
a
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