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lippert.com 

    432-LIPPERT (432-547-7378)   

 

 

Rev:06.30.22

JT’s Strong Arm

 

Travel Trailer

Installation and Owner’s Manual

(For Aftermarket Applications)

CCD-002345

Preparation

1. 

Make sure to park the trailer on solid, level ground.

2. 

Clear all jack landing locations of debris and 

obstructions.

3. 

Locations should be free of depressions.

4. 

When parking trailer on extremely soft surfaces, utilize 

load distribution pads under each jack.

5. 

People and pets should be clear of trailer while 

operating leveling system.

Resources Required

Installation

Determine which style of jacks are installed on the chassis 

by comparing Figure 1 and 2 with what is installed on the 

unit. 

If the chassis has scissor jacks 

(Fig.1)

 installed, proceed 

to the following section Installation for Scissor Jacks. If 

the chassis has electric stabilizer jacks 

(Fig.2)

 refer to the 

Installation for Electric Stabilizer Jacks section. 

Fig.2 

Rear electric stabilizer jack

Fig.1 

Scissor jack

• 

Tape measure

• Felt-tip black marker
• 

Hammer

• 

Center punch

• Electric or cordless drill 

or screw gun

• 

1/8

” drill bit 

 

(for pilot holes)

• 

5/16

” drill bit

• 

3/8

” drill bit

• 

1/2

” “Uni-bit,” or step bit, 

preferred

standard 

1/2

” 

drill bit acceptable

• 

Countersink bit 

 

(for deburring)

• 

9/16

” deep socket and ratchet

• 

9/16

” box end wrench

• 

5/8

” box end wrench

• 

11/16

” box end wrench

• Locking pliers
• 

3”- 4” C-Clamp

• White grease
• Safety glasses
• Face shield
• 

Squeegee

THE TRAILER MUST BE SUPPORTED PER THE 

MANUFACTURER’S RECOMMENDATIONS BEFORE 

WORKING UNDERNEATH. FAILURE TO DO SO MAY 

RESULT IN DEATH, SERIOUS PERSONAL INJURY OR 

SEVERE PRODUCT OR PROPERTY DAMAGE.

Installation for Scissor Jacks

1. 

Locate a cross-member rearward of the rear jacks at 

a minimum of 4” to a maximum of 18” for jacks mounted 

at an angle.  For jacks mounted square with the chassis 

frame, use a minimum of 6” 

(Fig.3)

.

Fig.3 

6”

Summary of Contents for 191025

Page 1: ...tions I or H Beam 7 Operation 10 Scissor Jack Extend 10 Scissor Jack Retract 10 JT s Strong ArmTM Travel Trailer Installation and Owner s Manual For Aftermarket Applications JT s Strong Arm Travel Tra...

Page 2: ...ERSONAL INJURY OR SEVERE PRODUCT OR PROPERTY DAMAGE NEVER LIFT THE UNIT COMPLETELY OFF THE GROUND LIFTING THE UNIT SO THE WHEELS ARE NOT TOUCHING THE GROUND WILL CREATE AN UNSTABLE AND UNSAFE CONDITIO...

Page 3: ...044 Nut 16 Nylon Insert Lock Nut 30 E 135840 Flat Washer 48 F 155004 Bolt 16 x 1 Hex Cap Screw 18 G 191010 Bolt 16 x 1 Swing Bolt 6 H 191011 Bolt 16 x 4 Swing Bolt 6 I 191013 Stiffening Pad 2 3 4 x 1...

Page 4: ...ectric stabilizer jacks Fig 2 refer to the Installation for Electric Stabilizer Jacks section Fig 2 Rear electric stabilizer jack Fig 1 Scissor jack Tape measure Felt tip black marker Hammer Center pu...

Page 5: ...h so that the swing bolt will only pivot by using a screwdriver for leverage Ensure swing bolt tab is positioned horizontally 5 Remove the existing lower outside pivot bolt replacing with 4 swing bolt...

Page 6: ...d a 3 8 washer on both sides of the clevis Tighten a 3 8 locking nut enough to allow the stabilizer to swivel by hand with some resistance Repeat this step for the opposite side Fig 7 16 Swing the sta...

Page 7: ...bolt 3 8 washer and 3 8 locking nut Repeat this step for opposite side Fig 9 I or H beam main rails or tubular frames and or insulated 1 Measure from the rear side of the front scissor jack 27 and pla...

Page 8: ...ke sure the swing bolt tab is positioned horizontally NOTE If scissor jacks are less than 2 wide washers will be necessary on the swing bolt because the threads may not be long enough 14 Prepare T bol...

Page 9: ...of the rear cross member 3 Center punch and drill an 3 8 pilot hole at each mounting hole location 4 Drill out the hole closest to the rear jacks to 5 16 and tap using either a 3 8 16 tap or 3 8 16 x...

Page 10: ...our front Strong Arm Jack Stabilizers Electric Stabilizer Jack Extend 1 Level your trailer side to side 2 Lower the front of the trailer 3 4 lower than the rear 3 Lower and set rear jacks evenly 4 Tig...

Page 11: ...bilizers 7 Briefly press the electric jack switch so the jacks slightly lift the front of the trailer This eliminates the play movement at the bolts and bolt holes between the stabilizers and the trai...

Page 12: ...ates Fig 14A to holes in foot pad Place the smaller half down and on the outside of footpad brackets Fig 14B Fig 14 Fig 15 Fig 13 3 Loosely install 3 8 16 x 4 swing bolt Fig 15A two 3 8 SAE flat washe...

Page 13: ...ig 16 6 Attach JT Strong Arm Stabilizer Fig 17A to the swing bolt 7 Align stabilizer mounting holes over the swing bolt mounting hole 8 If necessary use screwdriver to adjust orientation of swing bolt...

Page 14: ...uid Each footpad requires a different number of lugs Installation 1 Measure 1 1 4 from the edge of the footpad inward and onto one of the star points on top of the footpad The front face of the lug wi...

Page 15: ...6 30 22 JT s Strong Arm Travel Trailer Installation and Owner s Manual For Aftermarket Applications CCD 002345 Notes Maintenance Using a clean and dry cloth periodically wipe the Strong Arms with wate...

Page 16: ...as a complete document only unless Lippert provides explicit consent to distribute individual parts All manual information is subject to change without notice Revised editions will be available for fr...

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