Installation, Operation and Parts Manual
QJY4.0-D6A-PRO
MAINTENANCE
Easy and low cost routine maintenance can ensure the lift work normally and safely. Following are requirements for routine
maintenance. Frequency of routine maintenance is determined by working condition and frequency.
THE FOLLOWING PARTS ARE NEEDED TO BE LUBRICATED
S/N
Description
1
UP pulley
2
Steel cable
3
Chain wheel
4
Chain
5
Sliding block
6
Pin
7
Arm lock
8
Lifting arm
9
Tray
10
Down pulley
6.1. Daily checking items before operation
The user must perform daily check. Daily check of safety lock system in very important
–
the discovery of device failure before action
could save time and prevent great loss, injury or casualty.
·Before operation,
judge whether the safety locks are engaged by sound.
·Check whether oil hose well connected and whether it leaks or not.
·Check the connections of chain and steel cable and check the power unit.
·Check whether expansion bolts are firmly screwed.
·Check
if arm lock works well or not.
1.2. Weekly checking items
·Check the flexibility of moving parts.
·Check the working conditions of safety parts.
·Check the amount of oil left in the oil tank. Oil is enough if the carriage can be raised to highest posi
tion. Otherwise, oil is insufficient.
·Check whether expansion bolt s firmly screwed.
6.3. Monthly checking items
·Check whether expansion bolts are firmly screwed.
·Check the tightness of the hydraulic system and screw firm the joints if it leaks.
·C
heck the lubrication and abrasion circumstance of axial pins, carriages, lifting arms and other related parts and replace in time
with new ones if they failed to work well.
·Check the lubrication and abrasion circumstance of steel cable.
6.4. Yearly checking items
·Empty the oil tank and check the quality of hydraulic oil.
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Summary of Contents for QJY4.0-D6A-PRO
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