Manual of XZ320 Horizontal Directional Drill
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2.8.5 Short connector
2.8.5.1
Replace short connector of drill collar if necessary.
2.8.5.2
Unload thread connection of drill collar and short connector.
2.8.5.3 Replace old short connectors and brush thread adhesive on
threads.
2.8.5.4 Install new short connectors with tightening by jaw vice.
Note:Short connectors and jaw vices are wearing parts so they shall be
replaced in a timely manner after abrasion. Backup parts shall be supplied
to avoid influence to construction schedule.
2.8.6 Power head pulley
Check if power head pulley is abraded or not with replacement if necessary.
It can be adjusted by removing adjustment gaskets in phases. Removed
gaskets shall be reserved and installed again during pulley replacement.
2.9 Maintenance of filter core shown in Table 14
Table 14 Filter maintenance
Item
Period (hour)
Replacement of machine
oil filter
Shown in “Lubrication”
chapter
Replacement of fuel oil
filter (for the 1
st
time)
50
Replacement of fuel oil
filter
150
Muffler inspection
If necessary
Replacement of air filter
If necessary
2.9.1
Oil filter
Filter shall be replaced fore every 50 hours for operation period and after
future 150 hours. Filter shall be replaced constantly if added oil comes from
oil bucket.
2.9.2 Air filter
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Summary of Contents for XZ320
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