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Page 11

SKU 66305

for technical questions, please call 1-800-444-3353.

uSer-Maintenance 

inStructionS

  Procedures not specifically 

explained in this manual 

must be performed only by a 

qualified technician.

 

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 op-

eration of the air-operated tool.

Weekly - pivot point Lubrication 

1. 

and Safety inspection: 

Lubricate the pivot points of the tool, 

using white lithium grease. Inspect for 

loose fasteners or any damage to the 

Lift. Repair immediately or mark “Out 

of Service” until repairs are made.
If the Hydraulic Ram fades or fails to 

2. 

lift you may need to add oil or purge 

the Ram.

troubleshooting

possible causes

Likely Solutions

Motorcycle Lift does 

not lift

Steel Ball (13a) in the Discharge 

1. 

Valve or the single-way valve of 

the Hydraulic Cylinder does not 

seat or seal well.
Steel Ball (13a) in the Single-way 

2. 

valve does not seat or seal well.
Hydraulic Ram may require 

3. 

purging.
Discharge Valve is open.

4. 

Clean or replace these components. 

1. 

 

 

Clean or replace these components. 

2. 

Purge Ram. See instructions on page 6.

3. 

Tighten the discharge valve. 

4. 

Motorcycle Lift  

does not lower

Discharge Valve is not open

1. 

Check function of Release Linkage Assembly 

1. 

(54). 

Motorcycle Lift  

Fades (slowly 

lowers on its own)

Leaking Valves or Seals.

1. 

Low on oil in system. 

2. 

Hydraulic Cylinder may require 

3. 

purging.

Take to qualified repair technician for service

1. 

Check oil level. Refill and purge as necessary. 

2. 

Follow instructions for purging system.
Purge Hydraulic Ram. See instructions on page 6. 

3. 

Oil leaks from top 

rod of Hydraulic 

Ram (24).

Ram O-ring (2a or 6a) is worn 

1. 

out.  

Replace the O-ring.

1. 

Oil leaks from the 

pump and cylinder

O-ring at pump (18a) or Oil Seal 

1. 

(3a or 10a) is worn out.

Replace the O-ring or Oil Seal.

1. 

 follow all safety precautions whenever diagnosing or servicing the tool.  

Summary of Contents for 66305

Page 1: ...result in serious injury Save this manual Copyright 2008 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form w...

Page 2: ...d could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to addr...

Page 3: ...se is liable to cause hearing loss Risk of Electric Shock This tool g is not provided with an insulated gripping surface Contact with a live wire will also make exposed metal parts of the tool live an...

Page 4: ...nued in next column Symbol Definitions WARNING marking concerning Risk of Hearing Loss Wear hearing protection WARNING marking concerning Risk of Respiratory Injury Wear NIOSH approved dust mask respi...

Page 5: ...oad Pedal is only used to lower the Lift when it is not loaded Do not lower the motorcycle quickly 19 Only use the Load Pedal 69 to slowly lower the Lift when there is a motorcycle on it NEVER allow t...

Page 6: ...secure the lift could result in serious injury or death in the event the lift tips over With the lift in its lowest position 2 remove the ramp from the end of the extended platform Whilst the platfor...

Page 7: ...oon as possible NOTE This item is pre assembled at the factory Before Initial Use Inspect tool before use looking for damaged loose and missing parts or oil leaks If any problems are found do not use...

Page 8: ...igure 1 Rear Tie Down Bracket 31 Front Tie Down Bracket 13 Front Wheel Rest 21 Safety Bar Lock Pin 40 Locking Bolt Assembly 41 No Load Pedal 71 Pump Pedal 56 Hydraulic Ram 24 Front Wheel Chock 17 Load...

Page 9: ...and slide the Axle out of the Deck Plate 16 The Wheel Lock can be moved as needed and the Wheel Lock Axle inserted in the appropriate holes in the Deck Plate Reinstall the Nut and tighten See Figure 3...

Page 10: ...he Pump Pedal 56 a few 19 times to remove weight from the Safety Bar 75 Disengage the Safety Bar 75 from 20 the ramp of the Inner Scissor Arm 35 Swing the Safety Bar up and insert the Safety Bar Lock...

Page 11: ...le Lift does not lift Steel Ball 13a in the Discharge 1 Valve or the single way valve of the Hydraulic Cylinder does not seat or seal well Steel Ball 13a in the Single way 2 valve does not seat or sea...

Page 12: ...Page 12 SKU 66305 For technical questions please call 1 800 444 3353 Overall Assembly Diagram 75...

Page 13: ...Retaining Ring 4 33 Pin 1 34 Rubber Gasket 4 35 Inner Scissor Arm 1 36 Retaining Ring 4 37 Pin 2 38 Outer Scissor Arm 1 Item Description QTY 39 Pin 2 40 Safety Bar Lock Pin 1 41 Locking Bolt Assembly...

Page 14: ...1 800 444 3353 Assembly Diagram for Hydraulic Ram Note All parts for the Hydraulic Ram Assembly have an a suffix such as 19a Do not confuse these part numbers with the part numbers for the Overall As...

Page 15: ...page 14 All parts for Hydraulic Ram have an a suffix For example PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the parts list and assembly diagram in this docum...

Page 16: ...or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not ap...

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