Harbor Freight Tools Central Hydraulics 95553 - Manual (Page 12)

Page 12 For technical questions, please call 1-800-444-3353. Item 69593/69642/95553
SAFET
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Op
ERA
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M
AINTENAN
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E
SETU
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User-Maintenance Instructions
procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO pREVENT SERIOUS INJURy FROM AccIDENTAL OpERATION:
Turn off the tool, detach the air supply, safely discharge any residual air pressure
in the tool, and release the throttle and/or turn the switch to its off position before
performing any inspection, maintenance, or cleaning procedures.
TO pREVENT SERIOUS INJURy FROM TOOL FAILURE:
Do not use damaged equipment. If abnormal noise, vibration,
or leaking air occurs, have the problem corrected before further use.
cleaning, Maintenance, and Lubrication
Note: These procedures are in addition to the regular checks and maintenance
explained as part of the regular operation of the air-operated tool.
1. BEFORE EAcH USE, inspect the general
condition of the tool. Check for:
• loose hardware or housing,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
affect its safe operation.
2. Daily - Air Supply Maintenance:
Every day, maintain the air supply according
to the component manufacturers' instructions.
Drain the moisture filter regularly.
Performing routine air supply maintenance
will allow the tool to operate more safely
and will also reduce wear on the tool.
3. Quarterly (every 3 months) –
Tool Disassembly, cleaning, and Inspection:
Have the internal mechanism cleaned, inspected,
and lubricated by a qualified technician.
4. Periodically check the air and hydraulic fittings
for leaks. Repair if any leak is detected.
5. Periodically lubricate all moving points of the Jack.
6. The Hydraulic Ram should be kept clean, free of
dirt and water, and protected from corrosion.
7. OIL REPLACEMENT:
a. Place Jack in an upright position.
b. Completely lower the Ram.
c. Remove the Filler Plug and keep it clean.
d. Fill Reservoir with high-quality hydraulic
jack oil to the lower rim of the fill hole.
e. Purge air from the hydraulic system as
previously described on Purging Air From
Hydraulic System on page 7.
f. Top off with more hydraulic oil.
g. Replace Filler Plug.