Super Handy LDB01-01 User manual

REV 02/19/20
Instruction Manual
Electric Power Dolly
WARNING:
Read carefully and understand all INSTRUCTIONS before operating. Failure to follow the safety rules
and other basic safety precautions may result in serious personal injury.
Save these instructions in a safe place and on hand so that they can be read when required. Keep
these instructions to assist in future servicing.
LDB01-01

IMPORTANT SAFEGUARDS
For your own safety, please always follow the following basic precautions when
using this product.
WARNING
CHEMICAL AND FIRE HAZARD
Failure to observe these instructions couldlead to serious injury or death.
1. Always Know Your Dolly Take time to fully read the Installation and Operator's
Guide, in order to understand your dolly and its operations.
2. Never store battery pack in a tool box or pocket with nails, screws, keys, etc.
Shorting of battery terminal may cause fire.
3. Always avoid contact with battery leakage, which may occur under extreme usage
or temperature conditions.
4. Always dispose or recycle battery according to local ordinances I regulations.
5. Always protect terminals with insulating tape, prior to disposal, to prevent shorting.
6. Never attempt to disassemble the battery. No use rserviceable parts are inside.
7. Never charge damaged battery packs, replace damaged pack immediately. Battery
short or fire may result.
8. Never incinerate the battery pack even If it is severely damaged or is completely
worn out.
9. Never operate pulling tool in an environment containing explosive or combustible
material.
10. Always remove the battery when the unit is not in use.
12. Never charge damaged battery packs, replace damaged battery pack immediately.
Battery short or fire may result.
13.Always use Landworks charger to charge lead-acid battery pack, Other types of
batteries may burst causing damage and injury to person.
14. Never operate charger with damaged cord or plug. Replace them immediately.
15. Never use Landworks charger to charge other batteries.
16. Never operate charger if it has received a sharp blow, been dropped or otherwise
damaged in any way.
17. Never charge battery in damp or wet environment. Do not cover the charger with
clothes or similar items during charging.
18. The use of accessories which not recommended or supplied by the charger
manufacturer may present a risk of fire, electric shock or personal injury.
19. Always charge battery at temperatures between32°F-120°F (0°C-49°).
20. Always store battery at temperatures between 32°F-86°F (0°C-30°C).
21. Always disconnect charger when battery is fully charged.
22. Always charge battery every three months if not in use.
23. Do not exceed the maximum capacity of the towing tool: Trailer weight: 1620kgs /
3600lbs, tongue weight: 270kgs / 600lbs.
24. Make sure the hitch ball and the coupler are locked reliably before towing
25. Always use factory approved mounting hardware, components, and accessories.
26. Do not pull the dolly on the downhill road, always make sure that the traction road
is flat, and the slope angle is less than 4 degrees when pulling on the uphill.
27. Do not use power dolly to move people.
28. Do not operate this power dolly under the influence of alcohol or drugs.
29. Be sure to remove any elements or obstacles that may hinder the safe operation of
the power dolly.
30. When installing, assembling, repairing or not using the power dolly, be sure to
disconnect the power supply of the dolly.
31. Never operate or install the pulling tool without reading or understanding the
operator's manual.
32. Never operate this dolly if you are under 16 years old.

1
SPECIFICATIONS
ALL FORCE UNITS COME WITH
STRUCTURE INTRODUCTION
1. Switch Button- Switch for “forward” or “reverse”
2. Speed controller: Drive with various speed by this
controller
3. Connecting rod- connect the handle and force frame
4. Power Switch-Start this before use the power dolly,
and shut down the dolly after use.
5. Battery box-Lead acid battery & controller installed inside
6. Ball mount- Connect the hitch ball with the trailer
7. Adjustable ball mount
8. Latch- locked while ball mount height adjusted
9. Machine Controller
10. Batteries: 2*12V -7AH lead acid battery
11. Rear Wheel : Transaction transmission
12. Motor: power Supply
13. Swivel: Turn away during working
14. Force frame: support for battery box and motor
15. INPUT100~240VAC，OUTPUT:DC28.8V- 2.0A
16. Recharge socket: connect with charger
17. Handlebar: install the handle and switch button
Item No.
Description
Power Supply
Rate
Capacity
Ball Mount
Product Size
Net/Gross Weight
Electric Power Dolly
DC24V,7Ah
500W
Trailer Weight：1620kgs/3600Lb Tongue Weight：270kgs/600Lb
42"x24"x40" (1054x600x1021mm)
90/101 lbs (41/46kg)
GUO041
2"
9
3
1
2
4
5
6
7
8
9
10
11
12
14
15
13
16
17
12
345
6
7
8
1
2
3
4
5
Handlebar
Connecting Rod
Ball mount
Force frame
Swivel wheel
6
7
8
9
Rear wheel*2
Charger
Controller
Lead acid battery *2

2
ASSEMBLY
1. Assemble the handlebar
Insert the connecting rod into the handle-
bar, make the holes aligned and screwed
by bolts; Pull the cable out from connecting
rod ends. (See Figure 1)
2. Hitch ball mount assembly
Fit in the washer and nuts into adjustable
ball mount, thread the hitch ball till com-
pletely fit. (See Figure 2)
3. Assemble the swivel wheel
Put the swivel wheel shaft into the force
frame, fixed by nut and bolt (See Figure 3)
Figure 1
Figure 2
Figure 3
Connecting Rod

3
Figure 4
Figure 5
Figure 6
ASSEMBLY
4. Rear wheel assembly
Install the rear wheel on the axle, insert the
flat key and fixed by bolts. We suggest to
install the rear wheels with the inflating inlet
at the outside so for easy inflating.
(See Figure 4)
5. Assemble the adjustable hitch ball mount:
Adjust the ball mount with the required
height, fix by the latch and locked with pin.
(See Figure 5)
6. Connecting rod assembly
Connect the battery cable from the top tube
of the force frame, and put out from the
round hole in the middle of the connecting
rod (gentle reminding: there are 2 holes in
two side of the force frame and hole
bottom, which are assistant for your
observation during the cable connection.)
(See Figure 6)
Assistant Holes
Cable

4
Figure 7
Figure 8
Figure 9
8. Battery & Controller Assembly
Place 2*12V lead acid battery into the box. DO NOT TOUCH THE BATTERY’S POSITIVE AND NEGATIVE BY
ANY METAL PARTS. Otherwise there will be fire caused and lead a danger to the user. (See Figure 8)
9. Battery cable connection (See Figure 9)
ASSEMBLY
7. Battery Assembly
Put out the battery wire from the inside hole on the
battery box, screwed the battery box on the force
frame by bolts. (See Figure 7) Cable

5
BATTERY
Caution: Incorrect battery wire connection may
cause a short-circuit, it may lead battery destroy,
fir or physical danger.
POWER SWITCH CONNECTION
Batter
Caution: Incorrect power switch cable connection may cause a short-circuit, it may lead battery destroy, fir
or physical danger.
RECHARGE
BASE
+
BATTERY
BATTERY
-
+
-
POWER SUPPLY
Red
Red
Red
Black
Black
Battery “-”（Black）
Battery “+”（Red）
Controller “-”（Black）
Controller “+”（Red）
Contol Switch Controller Motor Connection
Y
G
B
Y
G
B

6
10. After the wire connection, locked the
battery box, sealed by the plug,
installation finished. (See Figure 10)
BEFORE USE
1. Check the power dolly and make sure all bolts had been
well screwed and the hitch ball mount can be locked.
2. Check all the wheels to make sure they are keep in well
working status, be sure the tire pressure are among
30±2psi(2.1±0.1kg/cm2)
3. Check the battery volume and make sure the switch are
workable.
4. Start the dolly before loading onto the trailer and check
the dolly can forward and reverse freely
5. Make sure the trailer weight no more than 1620kgs/3600Lb
and tongue weight under 270kgs/600Lb
6. Please use this dolly on flat road only. For your safety purpose,
do not use it on the slop over 4 degree. No brake installed so
do not use on the minus grade.
OPERATION
1. Move the dolly close to the trailer weld spots, adjust
the ball hitch mount in correct height. Normally leave
the hitch ball 100-200mm over the weld spots, locked
the hitch ball mount by latch and pin. (See Figure 11)
2. Hold the assembled Ball Mount underneath the hitch.
With the Weld Spots in the correct position, insert
the Ball into the Hitch and lock it as normal.
(See Figure 12)
Figure 10
Figure 11
Figure 12
Push
Lock the Hitch Ball
Lift

7
3. Switch on the power and speed controller button. Check the battery status. Switch the button into Drive or
Revise, and move the dolly by the speed controller knob. The speed can be various from 0-2.5km/h. (See
Figure 13)
4. Shut down the power after use. And park the dolly in the correct position. PLEASE RECHARGE THE BATTERY
WITHN 3 MONTHS OTHERWISE THE LEAD ACID BATTERY MAY BE DESTRIED.
OVERLOAD PROTECTION
The dolly equipped with overload protection system, will shut down while over loaded. This will protect the potential
risk of the machine destroy. Please do not try to start when the dolly overloaded and shut down, please re-start
after the loading weight reduced within the capacity.
TROUBLE SHOOTING
R
D
Figure 13
D/R Switch
Power Supply
Battery Status
Display
Speed Control
Button
Problem(s)
Power dolly do not works.
Power dolly stop during working.
Possible Cause
Power shut down.
1. Batteries in low.
2. Power dolly overloaded.
Corrective Action
1. Check the battery status make sure it in full .
2. Check the power switch in power on status.
3. Check the connect cable without loose
1. Recharge the power dolly in full
2. Reduce the loading weight with the capacity and re-start.

PARTS LIST
8

9
Part No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Description
Rear axle
Rear wheels
Force frame
Handlebar
Speed controller
Switch button
Handle sleeve
Latch
Square tube plug
Hex bolts M10*20
Hex bolts M10*55
Hex nut M10
Hex bolts M10*30
Hex bolts M4*1.5
Flat key 5*5*28A
Square tube plug
Round plug
Swivel wheel
Hex bolts M8*55
Hex nut M8
Adjustable ball mount
Q’ty
1
2
1
1
1
1
2
1
1
2
2
6
4
2
2
3
3
1
1
1
1
Part No.
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Description
Hex bolts M6*102
Hex nut
Washer
Waterproof power switch
Battery box cover
Lead acid battery 12V 7Ah
Battery box
Socket
Fixed support
Controller
Hasp sets
Hitch ball
Connecting rod
Cable harness 1
cross recessed pan head screw
Recharger sets
Cable harness 2
Cable harness 3
Cable harness 4
Cable terminal
Q’ty
3
3
3
1
1
2
1
1
1
1
4
1
1
1
2
1
1
1
1
1

Size: 210x285mm 2.09.05.30.980REV 02/19/20157克双铜
Great Circle USA
Support Line: 1-866-493-0524
[email protected]
www.greatcircleus.com