Hydro-Park 1127 & 1123
USER MANUAL
41
MUTRADE INDUSTRIAL CORP.
9
Maintenance & Servicing
9.1 General maintenance
9.1.1
Make sure the power is off and no accidental movement of the parking lift before any maintenance work.
9.1.2
If the equipment will be not in service for a long time, the main power supply should be turned off to avoid
any accident and to save energy.
9.1.3
f the parking lift has not been in service for a long time, it’s to be lubricated and inspected if there is any
damage and rust corrosion before operation again. Check if the equipment is in good condition by no-load running.
9.1.4
Inside of posts and sliding blocks are to be lubricated once per month. All the rubber sliders on carriages shall
be lubricated well to make carriages slide smoothly on the posts.
9.1.5
Balance chain and lifting chain is to be lubricated once per month.
9.1.6
Change all the hydraulic oil three months after first operation; and change oil every nine months after first
changing.
9.1.7
Check frequently the screw nuts of bolts fixing the electromagnet and locking block, any loosening screw nut
shall be fastened ASAP.
9.1.8
Before operation, check and fasten the connector of electromagnet; then test top limit switch and photocell
sensor, fix the problem if it cannot work, and replace it if cannot fix it.
9.1.9
The seals in hydraulic cylinder should be replaced every two years.
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9.1.10
The sliding block shall be replaced every two years.
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9.1.11
The valve element in solenoid valve and filter in power unit shall be cleaned every half year.
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9.1.12
An electromagnet with noise shall be replaced ASAP.
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9.1.13
Any broken safeguards, warning signs, safety information, markings and lighting shall be replaced in
time.
9.2 Servicing
9.2.1
If the platform tilts right-and-left when lifting, check and adjust the balance chain.
9.2.2
If the platform tilts fore-and-aft when lifting, first check if vehicle is parked correctly; second check the
perpendicularity of post. Replace the sliding block if the platform still tilts after the above-mentioned works.
9.2.3
If the platform tilts right-and-left when descending, first check if the mechanical locking block at higher side is
unlocked, make sure the wiring and related electromagnet works well if the locking block is locked; check and
adjust the balance chain if the locking block is unlocked.
9.2.4
If the platform tilts fore-and-aft when descending, first check if vehicle is parked correctly; second check the
perpendicularity of post, if the platform still tilts after the above-mentioned works please replace the sliding block.
9.2.5
Adjust the compensated flow control valve on the power unit, if the lifting/descending speed is too fast or too
slow.
9.2.6
Check if the emergency stop button is open and air switch is closed, if the parking lift doesn’t lift up when
keep turning UP.
9.2.7
Check if the solenoid valve is open, if the platform only lifts up but not descends or it doesn’t move at all
when keep turning DOWN.
9.2.8
Check if the electromagnet is working to make the mechanical locking block unlocked, if the platform lifts up
first then descends but stop on the locking hole when keep turning DOWN.
9.2.9
Check if the electromagnet is working to make the mechanical locking block unlocked, if the platform
descends only but then stop on the locking tab when keep turning DOWN.
9.2.10
Check if the photocell sensor works correctly if the platform only descends with buzzer and warning light on
when keep turning DOWN.
