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HEAVY DUTY POWER JACKS
Place manual override handle (
engage drive pin. Rotate handle counterclockwise to raise or
clockwise to lower the camper.
MAINTENANCE
1. Before each use, inspect jack tubes and replace if bent or damaged.
2. If wiring is connected to battery terminal, inspect at least twice each
year for corrosion. Clean with a solution of baking soda and water,
then apply a thin coat of grease.
(
1-D) and mounting bolts (
FIG
continuity problem occurs.
Guides are only intended for use on Atwood
technicians who have successfully completed Atwood
This guide should be used in conjunction with the appropriate
Instruction Manual provided with the product and any applicable
Industry Standards. This is not intended to be a complete list.
Please direct questions concerning service of Atwood
866-869-3118 before proceeding.
PERSONAL INJURY AND/OR PRODUCT DAMAGE
• If any of the following conditions develop, the trailer must not be
used until proper corrective action is taken.
CONDITION WITH SOLUTIONS
M O T O R W I L L N O T O P E R AT E
No or low voltage ..........................Check battery & electrical connections.
Jack flange not making good ......Clean paint or dirt from coupler frame
contact to provide adequate
ground with coupler surface
Blown fuse ....................................Replace with 30 amp AWG fuse
Loose wires on ON/OFF switch ....Secure wire connections
ON/OFF switch faulty ....................Replace switch
Motor faulty ..................................Replace motor
P O O R G R O U N D
WHEN BUTTON IS PRESSED ON JACK
Jack doesn't operate ....................Inspect motor mounting bolt for Loctite
Jack operates only partially up
or down, or
Jack runs intermittently
1-C) into alignment tube and
FIG
: The motor ground screw
NOTE
1-B) must be cleaned too if a ground
FIG
9
®
products by service
®
®
WARNING
Must have minimum of 10 VDC
-
If Loctite
®
found, replace with new 1/4-20
x 3" screw and two lock washers. If bolt
unavailable, clean present bolt and hole
with wire buffing wheel. Inspect bolt
3. Once each year, extend jack as far as possible and clean inner ram
tube. Coat tube with light coat of silicone spray lubricant.
The Electric Drive Motor Landing Leg system is protected by a 30 amp
fuse. If replacement is necessary, replace only with a Buss Type AGC-30
fuse or equivalent, available in automotive supply stores.
TROUBLE SHOOTING GUIDE
M O T O R C L U T C H E N G A G E S
training.
Normal if jack leg is at fully ..........None, but let go of switch when you hear
retracted or extended position
Worn worm gear ..........................Replace jack ram
products to
Dirty inner ram tube ......................Clean ram tube and coat with light coat
Bent inner ram ..............................Replace inner ram
Clutch faulty ..................................Replace motor
Jack at angle ................................Secure mounting bolts and ensure a
Excessive tongue weights ............Determine if jack is adequate for tongue
U T I L I T Y L I G H T D O E S N O T W O R K
Loose wires on the ON/OFF ..........Secure wire connection
switch
Bad light bulb ................................Replace bulb
A M P D R AW
Range of motor ............................8-45 amps
IMPORTANT CAUTION - If equalizer bars are attached to the tow
vehicle and the trailer while operating the power tongue jack,
you may experience the motor clutching the moment the jack
sees load. This will occur because you are lifting both the tongue
of the trailer and the rear of the tow vehicle. The 1500 lb. and
®
.
2500 lb. acme screw jacks cannot lift this excessive weight. To
overcome this excessive weight, you should upgrade to the 3500
lb. power jack. The ball screw mechanism utilized in this jack
should allow you to lift this load.
2
Power Jack
Effective: 11/21/07
hole. If dirty, clean with a 1/4-20 tap.
the clutch
of silicone spray
support plate is used.
weight.
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