FOLDABLE SHOP CRANE
2 TON
46766
ASSEMBLY & OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
TO PREVENT SERIOUS INJURY,
READ AND UNDERSTAND ALL WARNINGS
AND INSTRUCTIONS BEFORE USE.
©
®
Copyright 2002 by Harbor FreightTools . All rights reserved. No portion of this manual or any
artwork contained herein may be reproduced in any shape or form without the express written
consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353.
REV 05/05
Safety Warnings (cont’d)
7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving parts.
Protective, electrically nonconductive clothes and nonskid footwear are recommended when working.
Wear restrictive hair covering to contain long hair.
8. Use eye and ear protection. Always wear ANSI approved impact safety goggles. Wear a full face shield
if you are producing metal filings or wood chips. Wear an ANSI approved dust mask or respirator when
working around metal, wood, and chemical dusts and mists.
9. Do not overreach. Keep proper footing and balance at all times. Do not reach over or across running
machines.
10. Maintain products with care. Keep products clean for better and safer performance. Follow
instructions for lubricating and changing accessories.
11. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are removed from
the tool or machine work surface before operating.
12. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you are tired.
13. Check for damaged parts. Before using any product, any part that appears damaged should be
carefully checked to determine that it will operate properly and perform its intended function. Check for
alignment and binding of moving parts; any broken parts or mounting fixtures; and any other condition
that may affect proper operation. Any part that is damaged should be properly repaired or replaced by a
qualified technician.
14. Replacement parts and accessories. When servicing, use only identical replacement parts. Use of
any other parts will void the warranty. Only use accessories intended for use with this tool. Approved
accessories are available from Harbor Freight Tools.
15. Do not operate product if under the influence of alcohol or drugs. Read warning labels on
prescriptions to determine if your judgment or reflexes are impaired while taking drugs. If there is any
doubt, do not operate the tool.
16. Maintenance. For your safety, service and maintenance should be performed regularly by a qualified
technician.
17. Do not exceed the products 4,000 Lb. maximum capacity. Exceeding the maximum capacity may
cause damage to the product and may result in serious harm or injury.
18. Make certain to place the Shop Crane on a flat, sturdy and level surface that is capable of
supporting the weight of the Shop Crane and a 4,000 Lb. Load.
Warning:The warnings, cautions, and instructions discussed in this instruction manual cannot cover
all possible conditions and situations that may occur. It must be understood by the operator that
common sense and caution are factors which cannot be built into this product, but must be supplied
by the operator.
Assembly
Your Foldable Shop Crane will require complete assembly as described in the following steps. To assist you
with assembly and operation please refer to the Operational Figures as well as the Assembly Diagram and
Parts List located on the last pages of this manual.
Warning:
Due to the weight of the Shop Crane, assistance during assembly is recommended.
Step 1)
Line up the holes in each mid size Caster Wheel (5) with the holes on the Base (4). One mid
size Caster Wheel (5) is to be attached to each side of the Base (4). For each mid size Caster
Wheel (5), slide four (4) Bolts (28) up through a Spring Washer (7) and into Base (4).
REV 11/02; 05/05
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 3
Line up the holes in each Small Caster (1) with the holes on the Base (4). One Small Caster
(1) is to be attached to each side of the Base (4). For each Small Caster (1), slide four (4)
Bolts (27) up through a Spring Washer (7), and through Washer (6) and into Base (4).
Step 2)
Slide each Leg (8 & 25) into each of the two slots on top of the Base (4). Insert two Pins (3)
through the Base (4) at the junction of each Leg (8 and 25). Attach a Hitch Pin (24) through
each of the four (4) Pins (3) to secure together - see Figure 1.
Base (4)
Make certain to set up the Crane
on a flat, stable, level surface.
Hitch Pin (24)
Leg (25)
Pin (3)
Leg (8)
Figure 1-Leg into Base
Step 3)
With the assistance of another person, attach the Support Post (10) to the Base (4). Insert
both Bolts (9) down through the bottom bracket of the Support Post (10). Slide on Washers
(32), and slide on Spring Washers (33). Tighten Nuts (18) - see Figure 2.
Grip (36)
Caution: Be aware of dynamic
loading! A sudden start or jerk of
Support Post (10)
the chain and hook may create for
a brief instant, an excess load,
which may result in damage to the
(27)
product and/or personal injury.
(4)
Washers (32)
Spring Washer (33)
Nuts (18)
Figure 2-Support Post to Base
Step 4)
Attach both of the Supports (11) to the Base (4), one at each end. For each Support, insert a
Bolt (12) through the hole in the bottom of the Support (11), and through the Base (4). Slide
on Washers (34), Spring Washers (35) and tighten on Nut (2) - see Figure 3 on following
page. Line up the holes at the top of the Support (11) with the second hole down on the
Support Post (10). Attach Supports (11) to the Support Post with Bolt (12). Slide on Washer
(34) and Spring Washer (35). Tighten on Nut (2).
REV 11/02; 05/05
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 4
Figure 3-Supports to Support Post
Nut (2)
Bolt (12)
Washer (34),
Spring Washer (35)
Supports (11)
Support Post (10)
Nut (2)
Washer (34),
Spring Washer (35)
Bolt (12)
Step 5)
Step 6)
Attach the Handle Grip (36) to the Support Post (10). Slide a Washer (6) and a Spring
Washer (7) onto each of four Bolts (27). Insert the Bolt (27) and Washers (6 and 7) through
Handle Grip (36) and tighten to Support Post (10) - see Figure 2.
Attach the Hydraulic Ram (21) to the bracket located toward the bottom of the Support Post
(10) - see Figure 4B below. Insert Bolt (17), then slide on Washer (32) and Spring Washer
(33). Tighten on Nut (18). Lean the Hydraulic Ram (21) against the Support Post (10) while
installing the Boom (13) in next step.
Step 7)
Set the Boom (13) onto the top of the Support Post (10). Insert Bolt (14) through the holes,
then slide on Washer (30) and Spring Washer (31). Tighten on Nut (26) - see Figure 4A.
Washers
Bolt (22)
(32,33)
Nut (18)
Boom (13)
Nut (26)
Support
Bolt (14)
Post (10)
Nut (18)
Washers (32 & 33)
Support Post (10)
Bolt (17)
Washers
(32,33)
Hydraulic
Ram (21)
Figure 4A -Assembling the Boom
Figure 4B-Attaching the Hydraulic Ram
REV 11/02; 05/05
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 5
Step 8)
Step 9)
Attach the Hydraulic Ram (21) to the fork near the center of the Boom (13) with Bolt (22),
Washer (32) and Spring Washer (33). Tighten into place with Nut (18) - see Figure 4B on the
previous page.
Slide the Boom Extension (16) into the Boom (13). Note that there are different settings for
the load. Secure the Boom Extension (16) at the setting which exceeds the load you will be
lifting. Insert Bolt (29), Washer (32) and Spring Washer (33) and secure with Nut (18) - see
Figure 5.
Washers (32,33)
Nut (18)
Boom (13)
Bolt (29)
Boom Extension (16)
Figure 5-Assembling the Boom Extension
Step 10)
Attach the Hook (19a) around the end of the Boom Extension (16) using Bolt (20). Insert Bolt
(20) through one side of the Hook, through the Boom Extension (16), and out the other side
of the Hook (19a). Slide on Washer (34) and Spring Washer (35). Tighten in place with Nut
(2) - see Figure 6.
Nut (2)
Boom Extension (16)
WARNING:
Never stand under an object that is being
Washers (34 & 35)
lifted by the Shop Crane. Be aware of the
possibility of a load slipping off of the Hook.
An item that falls from the Crane can cause
serious injury.
Hook (19a)
Bolt (20)
safety latch
Figure 6-Attaching the Hook
Step 11)
Step 1)
Insert the Jack Handle (23) into the socket on the Hydraulic Ram (21).
Operation
Set the Boom Extension (16) to a weight limit setting that exceeds the weight you will be
lifting. Do not exceed the Maximum 2 Ton weight capacity. Insert Bolt (29), Washer (32) and
Spring Washer (33) and secure with Nut (18) - see Figure 5.
Step 2)
Step 3)
Test the operation of the Shop Crane prior to lifting the load. Make certain that pumping the
Handle will raise a load. Verify that all hardware is tight and in good working order.
Move the Crane so that the Hook (19) is directly above the item to be lifted. Make certain that
the safety latch on the Hook (19) fully closes. Securely attach the Hook (19) to the item.
Load must be secure in the Hook (19) with the safety latch fully closed. Make certain that the
load is sustained with chains or slings before using the Crane to lift it.
REV 05/05; 09/07
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 6
Operation (cont’d)
CAUTION!
Limit movement of the Shop Crane when under load. Always lower the load as low as possible to reduce
the center of gravity.
Crane can tip over.
DANGER! If the load is not lowered and is allowed to swing freely, the Shop
Step 4)
To raise the Boom (13), turn the Hydraulic Ram’s release valve fully clockwise. Pump the
Handle (23) up and down repeatedly until the item is lifted to the desired height.
Step 5)
To lower the Crane, slowly turn the release valve counterclockwise.
Folding the Shop Crane
Step 1)
Step 2)
Step 3)
Step 4)
Lower the Crane all the way.
Remove the front two Pins (3). Leave rear Pins (3) in place.
Raise the Legs (8 & 25) until they rest against the Support Post (10).
Set the loose Pins (3) into the middle hole in the Base.
Note: When folded up, the Shop Crane can be rolled on the 2 small Casters and 2 mid size Casters.
Troubleshooting Tips
PROBLEM
SOLUTION
Hydraulic Ram will not lift load
•
•
•
Release valve not closed. Turn valve clockwise.
Check Hydraulic fluid level
Pump seal and backup ring defective. Have serviced by
a qualified technician.
Will not hold load/ Handle rises
Will not lift to its full height
•
Discharge ball is not sealing hydraulic system.
Hydraulic fluid may be dirty.
Open Release Valve and then pump the Handle.
Flush system.
•
•
Bleeding Instructions:
Check Hydraulic fluid level.
Air in Hydraulic system. Open Release valve, pump
handle four full strokes to release air.
Top off with Hydraulic Fluid. Close the oil fill cap. Close
Release Valve.
•
•
•
Will not lower completely
•
•
Return Spring broken or linkages binding. Grease pivot
shaft; oil all linkages.
Have qualified technician replace Return Spring
Bleeding Instructions:
Feels spongy; will not lift smoothly
•
•
Check Hydraulic fluid level.
Air in Hydraulic system. Open Release valve, pump
handle four full strokes to release air.
Top off with Hydraulic Fluid. Close the oil fill cap. Close
Release Valve.
•
REV 11/02; 04/03
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 7
Unpacking
When unpacking your 2 Ton Foldable Shop Crane, check to make sure the following parts are included. If any
parts are missing or broken, please call HARBOR FREIGHT TOOLS at 1-800-444-3353.
Parts List
Part
1
Description
Small Caster - 2.36” Dia.
Nut M14
Qty Part
Description
20 Bolt M14 x 3.34"
21 Hydraulic Ram
Qty
1
2
4
2
1
3
Pin
4
22 Bolt M16 x 3.34" (8.8 Grade)
23 Jack Handle
1
4
Base
1
1
5
Mid Size Caster - 3.54” Dia.
Washer
4
24 Hitch Pin
4
6
12
28
1
25 Left Leg
1
7
Spring Washer
Right Leg
26 Nut M 18
1
8
27 Bolt M8 x .59"
28 Bolt M8 x .78"
29 Bolt M16 x 3.34"
30 Washer M18
12
16
1
9
Bolt M16 x 3.74"
2
10 Support Post
11 Support
1
2
1
12 Bolt M 14 x 4.13"
13 Boom
3
31 Spring Washer M18
32 Washer M16
1
1
5
14 Bolt M18 x 4.13"
15
1
33 Spring Washer M16
34 Washer M14
5
-unused-
4
16 Boom Extension
1
1
5
1
35 Spring Washer M14
36 Handle Grip
4
17 Bolt M16 x 3.74" (8.8 Grade)
18 Nut M16
1
37
-unused-
19a Hook
Note: Some parts are listed and shown for illustration purposes only and are not available individually as
replacement parts.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS
MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES
ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED
TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY
PARTS OFTHE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES
THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
REV 11/02; 05/05
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 8
Parts/Assembly Diagram
Make certain to set up the Crane on
a flat, stable, level surface.
REV 11/02; 05/05
Sku 46766
For technical questions, please call 1-800-444-3353.
Page 9
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