Roadmaster Sterling ALL-TERRAIN 576 Owner'S Manual & Installation Instructions Download Page 5

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1.

  Drive the vehicle within three or three-and-a-half feet of 

the motorhome hitch receiver. The vehicle does not have 
to be perfectly centered to the hitch receiver, just close. 
Then, put the vehicle in gear (park), set the emergency 
brake and chock one of the wheels.

 2.

  With the tow bar in the folded position, insert the stinger 

into the motorhome hitch receiver and secure it with the 
hitch pin and clip (Figure 2).

 3.

  Hold both tow bar arms firmly and rotate them up, so 

that they are vertical, as shown in Figure 2.

CAUTION

  

Attach the tow bar so that the release handles and 

the release latch are pointing up. Components of the 
tow bar may be damaged if the tow bar is attached 
with the release latch or the release handles pointing 
down.

  Never let go of the tow bar when it in the vertical 
position. The arms can fall and cause severe personal 
injury. 

 4.

  Push the release latch 

(Figure 3) forward, to bring 
both arms down to a horizon-
tal position. 
   Standing to one side, 
swing both arms away from 
you. Then, align the holes in 
the outermost arm with the 
holes in one of the tabs on 

CONNECTING THE TOW BAR

 Figure 2

  Use caution when handling the tow bar — if your 
hands, fingers or any part of your body are caught 
between moving components, they can be pinched, 
cut or otherwise injured.

the baseplate (Figure 4 — next page). 

  

Attach the tow bar arm to the baseplate with one of 

the included base pins (Figure 4). Attach the arm so that 
the head of the shoulder bolt (Figure 4) is facing up. Lock 
the base pin with a linch pin (Figure 4) or optional padlock 
— part number 301 (one padlock) or 302 (two padlocks).
 

  The linch pin must be

 

locked. The ring (Figure 1) is 

spring-loaded — it must be snapped over the pin, as shown 
in Figure 1, with the curved side of the linch pin touching 
the ring, in order to keep the base pin secure.

 

  Both tow bar arms must be attached to the base-
plate and locked with a linch pin. Towing vibrations 
will force the linch pins out unless they are properly 
locked in place over the base pins on both baseplates.
  Failure to properly install and lock both base pins 
will result in the loss of the towed vehicle, which may 
cause property damage, personal injury or even death.

 

5.

  Now, swing the other arm to the opposite side and 

connect it in the same manner.

 

6.

  Attach the safety cables and plug in the power cord 

(see pages 7 and 8).  
 

  Before towing the vehicle, be sure the steering is un-

locked, the transmission is in the proper setting and the 
emergency brake is released. Remove the wheel chock.
    Check the owner’s manual for the proper towing 
procedure(s) or requirement(s) for towing.

 

 

Do not tow the vehicle until the tow bar is attached 

with all pins or padlocks. Unless the tow bar is se-
cured to both vehicles with all appropriate pins or 
padlocks, the vehicle will detach, which may cause 
property damage, personal injury or even death.

 

7.

  When you drive away, steer briefly to the left and then 

to the right, to extend, self-center and lock each tow bar 
arm. 
  Always stop at this time. Check the tow bar to ensure 
that both arms are locked before towing further. Addition-
ally, check the other components of your towing system.

  Both tow bar arms must be locked before tow-
ing.  If they are not, the momentum of the towed ve-
hicle will apply excessive force to the tow bar arms 
and other components of the towing system, which 
may cause the towing system to fail, resulting in 
property damage, personal injury or even death.

Figure 3

Summary of Contents for Sterling ALL-TERRAIN 576

Page 1: ...1 2007 2021 ROADMASTER Inc All rights reserved 853326 31 09 21 ...

Page 2: ...MASTER FAMILY Safety definitions inside front cover Safe towing practices 1 2 Connecting and disconnecting Connecting the tow bar 3 4 Disconnecting the tow bar 5 Wiring instructions 6 Safety cables How to use safety cables 7 Proper installation of safety cables 8 Stay within the Safe Zone 9 Care and cleaning 9 Tow bar components back cover Your tow bar serial number is located on a label on the in...

Page 3: ...r unibody Read the instructions thoroughly before installing the tow bar and its components If the tow bar is not properly aligned centered and positioned on the towed vehicle then excessive tire wear and other consequential non warranty damage may result INSTALLER S SAFETY CHECKLIST The installer must NOT use the tow bar as a ground for welding Connecting a ground to the tow bar will cause curren...

Page 4: ...oblem If you do note how far you can safely turn the motorhome s steering wheel and be sure not to turn it further when towing Damage that results from turn ing too sharply is not covered by warranty Never use the tow bar to tow more than one ve hicle In some states it is legal to have one vehicle towing more than just one vehicle for example a truck which is towing a trailer which is towing a boa...

Page 5: ... locked The ring Figure 1 is spring loaded it must be snapped over the pin as shown in Figure 1 with the curved side of the linch pin touching the ring in order to keep the base pin secure Both tow bar arms must be attached to the base plate and locked with a linch pin Towing vibrations will force the linch pins out unless they are properly locked in place over the base pins on both baseplates Fai...

Page 6: ...ry or even death Do not tow a vehicle using a tow bar baseplate safety cables or a hitch receiver rated less than the actual weight of the towed vehicle or failure may oc cur during towing causing property damage personal injury or even death Do not tow if the tow bar is more than three inches out of level See Stay in the Safe Zone on page 9 Towing out of level creates excessive strain on the tow ...

Page 7: ...w bar on the motorhome by reversing the connection procedure under Connecting the tow bar Note if you must park on an uphill incline you may find that you cannot remove the base pins even with the tow bar arms released The weight of the towed vehicle trying to roll back Figure 6 is binding the pins in place Allow the towed vehicle to idle forward just enough to take the tension of this weight off ...

Page 8: ... which may result in a traffic accident causing property damage personal injury or even death Wiring the plug for a six wire system 1 Insert the end of the electrical cord through one of the cable guides 2 Strip to 3 8 of insulation from the ends Connect the wires according to Figure 7 apply a silicone sealant to the attachment points to help prevent damage from moisture and corrosion Wiring the s...

Page 9: ...fety device required by law in many states This section and the following section will acquaint you with how to use them properly The safety cables must connect the towing vehicle to the towed vehicle frame to frame The safety cables must be rated at 8 000 pounds weight capacity per pair or higher This is the maximum weight capacity of the tow bar the towed vehicle and all its contents cannot exce...

Page 10: ...ct as shown in Figure 10 using short safety cables sold separately The safety cables must be carefully routed so that they cannot become pinched frayed scraped or oth erwise damaged and so they will not drag when going over dips or low spots Do not use the cables if they show any signs of wear or damage immediately discontinue towing and replace the cables Failure to follow these instructions will...

Page 11: ... undue strain on the entire towing system For that reason do not tow if the tow bar is not within the Safe Zone no more than three inches above or below level Towing a vehicle with a tow bar that is not within the Safe Zone will result in significant wear and tear on the tow bar and baseplate significant wear and tear on the vehicle s suspension and frame and the eventual failure of the towing sys...

Page 12: ...0520 6a hitch pin clip two 910028 6b hitch pin and clip one each 910027 7 yoke assembly with bushing color coded red part numbers 7a through 9e sold separately 910575 7a Qty1 x 4 bolt 350190 20 7b Qty 1 jam nut 350264 10 7c Qty 1 lock nut 350267 01 7d Qty 1 x 4 bolt 350185 10 7e Qty 13 acetal washer 350358 00 7f Qty 3 flat washer 350314 60 7g Qty 1 yellow zinc washer 350314 40 not all washers show...

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