SUNWARD SWDM240B - Checking Mounting Bolt of Track Shoe for Secure; Visual Inspection of Air Intake System; Checking Wiper; Checking Front Window Clean Device

SWDM240B OPERATION & MAINTENANCE MANUAL
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7.5.6 Checking Mounting Bolt of Track Shoe for Secure
 Check bolts of drill mast flange and undercarriage for secure.
 Tighten loosened bolts.
Table 7-5-1
Component
Standard
Thread specification
Maintenance interval
Track shoe
GB10677-89
LS201.5
50
Travel reduction
gearbox
GB/T5782
M20X1.5X50
250
Drive sprocket
GB/T70.1
M20×75
250
Slewing bearing
GB5782
M24×160
50 hours at initial, every
2000 hours
GB5782
M24×110
7.5.7 Visual Inspection of Air Intake System
Observe engine air intake & exhaust system for black smoke or other abnormality, if found,
maintain this system.
FIG. 7-5-3 Air intake/ exhaust system
7.5.8 Checking Wiper
1）Check wiper every week.
2）Check wiper brush. Replace immediately if abrasion or damage is found.
7.5.9 Checking Front Window Clean Device
1）Check liquid level in windshield wash tank. If it’s low, open the cap to add detergent.
2）In winter, anti-freeze detergent for windshield should be used.
7.5.10 Changing Slewing Bearing of Servo-frame
1 ） Uninstall Kelly from the drilling machine, remove servo-frame from the Kelly, place the
frame as the FIG..
2）Rotate thin thread (1) and nut(2) with open wrench and pneumatic wrench anticlockwise to