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Princeton PIGGYBACK EZ HITCH, Installation Instructions Manual, Page: 22 / 40

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Princeton PIGGYBACK EZ HITCH Installation Instructions Manual Download Page 22

9

Safety Signs

Install safety sign 604-127 (shown below) on the truck dashboard or 

other prominent area inside the cab.

Install safety signs 604-143 and 604-152 (shown below) at the rear of the 

transport vehicle (Rear Sill).

Install safety signs 604-125 (shown below) on the Cradle Plates & Tire Pads of 

the transport vehicle.

Summary of Contents for PIGGYBACK EZ HITCH

Page 1: ...Princeton PIGGYBACK EZ HITCH Truck Trailer Mounting Installation Instruction Manual Rev 8 2016...

Page 2: ...in effect at the time of printing Princeton PIGGYBACK reserves the right to make improvements and changes in specifications or design without notice and without incurring obligation Please check with...

Page 3: ...lt in poor trac tion braking and or vehicle instability In addition truck trailer weighing procedures can also be found at the end of this document Based on the transport vehicle frame structure addit...

Page 4: ...RIGHTS THAT VARY FROM STATE TO STATE THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WAR RANTIES OF MERCHANTABILITY AND FITNESS FO...

Page 5: ...tos 4 Fork Supports 5 Main Installation 6 Tire Pad Installation 7 Safety Chains 8 Truck Trailer 7 Pin Wiring 9 Safety Signs 10 Dump Bed Style EZ Hitch 11 Underride M22416 12 Special Mounting 13 Mount...

Page 6: ...e truck or trailer crossmember is 48 The minimum recommended distance tire clearances with an unladen level transport vehicle is 11 front 18 rear to ground 1 General Truck Trailer Requirements The ill...

Page 7: ...e found in Chapter 11 of this installation manual Electrical On most trucks or trailers tail light buckets will need to be relocated Tail clearance and identification lights should be mounted as high...

Page 8: ...ax H 2 25 min I 6 min 8 max J 20 min K 10 min L 34 min M 3 8 min N 3 min R 48 min S _____ ____33 min _________ T FLUSH AT REAR Bed Data Chassis Data Clearance Data Bed Data Chassis Data Clearance Data...

Page 9: ...Shaft Pin 2 P90 321A Transverse Tubing 2 P90 1067C Hanger Plate Weldment 2 P90 1069B Bed Strengthener 2 P90 1074B 15 Gusset 6 P90 2352 Base Plate Weldment 2 M25716 Adj Tire Pad Kit LHS RHS 1 118 115 S...

Page 10: ...90 1069B 2x Hanger Wldmt P N P90 1067C 2x Base Plate Wldmt P N P90 2352 2x Shaft P N P90 303B 2x Retaining Ring P N 118 115 4x Hitch Pin w Clip P N 402 105 2x 3 Major Component Photos 15 Gusset P N P9...

Page 11: ...at a 30 centerline Figure 2 with the bottom of the front tube level with the top of the rear tube The distance between the bottom of the rear truck or trailer sill and the top of the rear transverse t...

Page 12: ...ce to level ground should be set between 18 to 22 Check for any obstructions before proceeding with final welding Hanger Plate Installation Cut notches in c channel at rear of bed as shown in Figure 3...

Page 13: ...re the assemblies and clamp them in place Install the gussets connecting the Hanger Plate Assemblies and the main c channel as shown in Figure 8 and tack weld into place If gussets are too long trim t...

Page 14: ...fer the notch to allow the Bed Strengtheners to fit over the Cradle Plate Assemblies Also chamfer the strengtheners to allow them to be welded together Locate Bed Strengthener clean notches and tack w...

Page 15: ...d Gussets Qty Description P N 2 Upper Base Plate Curved Tire Pads Only P90 2352 1 Adj Curved Tire Pad Left M25716 1 Adj Curved Tire Pad Right M25716 8 Bolt 3 4 10 x 2 Long Grade 8 8301210160 8 Lockwas...

Page 16: ...ble Curved Tire Pads are incompatible with US built PBs w load arms The entire load arm assembly must be removed Adjustable Curved Tire Pad RHS RHS Tire Pad Shown from operator s view Tire Pad Compone...

Page 17: ...cured with a hex nut and lynch pin Figure 13 Tire Pad Position Per Model Use the chart below as a guide for known models and tire pad locations Due to the adjustability of the Tire Pads these location...

Page 18: ...nting kits Must be purchased separately through Princeton Parts Dept Safety Chain prior and incl up to 2013 P N P90 291B Safety Chain after 2013 P N 520 230 0009 1 5 8 Shackle P N 606 117 2 Slip Hook...

Page 19: ...P N P90 291B The pin style is designed to accept the latest 1 2 chain with adapter plate P N 520 230 0009 Clevis Style Mounting Point Pin Style Mounting Point Either style chain assembly is designed...

Page 20: ...iring Trailer With the seven tap in connectors provided splice into the trailer wiring In the package there will be six blue and one yellow wire taps The yellow tap is for the white wire or ground All...

Page 21: ...Black Clearance side marker and identification lamps Yel Yellow Left hand turn signal and hazard signal Red Red Stop lamps and anti wheel lock devices Grn Green Right hand turn signal and hazard signa...

Page 22: ...the truck dashboard or other prominent area inside the cab Install safety signs 604 143 and 604 152 shown below at the rear of the transport vehicle Rear Sill Install safety signs 604 125 shown below...

Page 23: ...flexibility of the Adj Curved Tire Pads there may be more than one location that will work with a particular forklift model 2 The bed of the transport vehicle is required to be tied down while transpo...

Page 24: ...ldment 2 P90 1069B Bed Strengthener 2 P90 1074B 15 Gusset 6 P90 2352 Base Plate Weldment 2 M25716 Adj Tire Pad Kit LHS RHS 1 118 115 Snap Ring 4 402 105 Hitch Pin 2 604 125 Safety Sign Pinch Point 4 6...

Page 25: ...forklift is not installed The trailer manufacturer is responsible for their bumper until it is altered to accommodate a truck mount ed forklift Since the original width of the bumpers do not allow for...

Page 26: ...er distance from bottom surface to ground and offset from rear sill See figure 17 on next page 2 Completely remove existing underride bumper from rear of trailer Any lighting bracketry etc that is pre...

Page 27: ...Rear Upright Tubes M23193 3 so the bottom surface of the new underride bumper main tube is at the former location but no higher than noted below in figure 19 Keep in mind the higher the bumper the bet...

Page 28: ...d the inside bottom rail flange 9 Center and located the Foldable Bumper Assembly M22359 on the longitudinal axis of the trail er and flush with the back surface of the Rear Upright Tubes Check for in...

Page 29: ...mponents in the stowed position weld kit components per ANSI AWS D1 1 See figure 22 below 14 Re install relocate any items removed from steps 2 15 Paint newly installed underride bumper components to...

Page 30: ...nce with the PIGGYBACK during the mounting process The rear sill and possibly the frame of the transport vehicle must be built out to allow for mast clearance The rear sill build out can be accomplish...

Page 31: ...um s material properties are different from steel in that it sacrifices strength for weight Because of the difference in strength the alu minum rear sill must be replaced and supported by welded bolte...

Page 32: ...Underride Protection P N M24416 12 Special Mounting Cont Composite Trailer Special Instructions...

Page 33: ...12 Special Mounting Cont Composite Trailer Special Instructions Replace the last 48 to 52 with steel members...

Page 34: ...lift Earlier models you ll need to install the 7 Pin Harness and activate the right turn signal in the transport vehicle 6 Check that there is approximately 3 4 1 of tire compression 7 Ensure that bot...

Page 35: ...tc Following is the procedure for determining the empty weight of a truck Straight Truck Curb Weights 1 Position the front axle of the bare chassis over the truck scale as shown below such that only t...

Page 36: ...ights 1 With the empty trailer connected to the tractor drive the tractor onto the scale as shown below Measure the weight on the axles and record all three weights 2 With the trailer removed from the...

Page 37: ...ance Step 4 Select Piggyback Model D45 PB4 PB PB PB PB PB 81 76 59 3 00 3 670 3 3 3 3 3 3 Other Step 5 Select Mast Height Option Class II Mast D45 PB40 PB45 PB50 PB55 PBL PBX Class III Mast PB65 PB70...

Page 38: ...nter of forward axle BTOA Hanger pin distance from truck end XPSHU EDFN WR FDE in 5 25 Standard Step 9 Input truck weight information All weights in pounds Front Axle Capacity FAC lb Rear Axle Capacit...

Page 39: ...or all aluminum check with Princeton for special instuctions Step 5 Select Piggyback Model D45 3 PB PB PB PB PB 81 76 59 3 00 3 670 3 3 3 3 3 Other 6HULDO 5 48 5 Step 6 Select Mast Height Option D45 P...

Page 40: ...eton Top Mount or High Mount If S is less than 36 contact Princeton for options Step 9 Input Trailer Weight Information Specify weight on kingpin or landing gear Note only one weight is required not b...

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