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Parker Hannifin Corporation

Parflex Division

Ravenna, Ohio

Hydraulic &

Pneumatic

Hose & Fit.

PTFE

Hose &

Fittings

Thermoplastic

Tubing

Coiled Air Hose,

Fittings

& Accessories

Truck (Fleet)

Products

Tooling &

Equipment

Hose

Accessories

Technical &

Design

Information

Approvals &

Guides

Alphanumeric

Index

DollyCoil

™

The Parker DollyCoil is used between double trailers on converter

dollies. No need to install springs or hangers as DollyCoil will

retract to its original shape time and time again – even after long

periods of extended use. Standard working lengths are 6 feet.

Parker DollyCoil assemblies fully comply with D.O.T. require-

ments covering coiled nylon brake tubing as stated in Chapter III

– Federal Highway Administration, Department of Transportation,

Subchapter B – Motor Carrier Safety Regulations (Docket No. MC-

41; Notice No. 73-9), Part 393 – Parts and Accessories Necessary

for Safe Operation.

DollyCoil™, Fifth Wheel Slider Coil

Technical Data

Construction:

A heat and light stabilized single wall

1/4" O.D. extruded nylon tubing conforming to SAE

specification J844 type A.

Temperature Range:

-40°F to +200°F (-40°C to +93°C)

Maximum Working Pressure:

150 PSI, meets D.O.T.

FMVSS 106 standard.

How to Order:

DollyCoil kits are supplied complete –

Parker pre-assembled

,

with everything needed, including spring guards and male pipe

end NTA fittings,

ready to install

. Special pipe thread sealant is

factory applied. No cutting or assembly necessary. Just attach the

gladhand to either end. They are available in kits or as separate

lines. A kit consists of both a red and blue tube assembly.

Fifth Wheel Slider Coil

• Clutter-free hook-up and maintenance-free performance of

adjustable length pneumatic tubing for fifth wheel sliding action.

• Returns to its original shape time after time, even after long

periods of extended use.

• Self-adjusts from 10" to fully extended 54" working length.

• Universal, ready for immediate installation.

No Maintenance:

Slider coil will stay on the job at peak perfor-

mance through years of trouble-free life.

Self-Adjusting:

Coil set is strong and permanent. Even after

prolonged use in fully extended position, coils will retract to shorter

length without sagging. Eliminates hazards of chafing and wear.

Note:

Fitting assembly required.

Kit

Coil

Number

Tube

O. D.

Valve

Tail

Brass Male Ends

(NPT)

Working

Length

Range

ft.

Number

of Coils Application Color

Valve

90° End

Gladhand

180° End

751634

-8

8

1/2

6

12

Convert, Dollies Blue, Red

Part

Number

Fittings

Pigtail

Length

in.

Max.

Extended

Length

in.

Retract-

ed

Length

in.

811537

(2)68NTA-4-4

2

54

10