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(j) The hub cap is placed intoposition and secured by tappingwith a mallet.Correct setting of compensated brake linkage on torsionBRAKESBefore attempting brake adjustment lift each wheel clear ofthe ground with a jack, and slacken off the hitch to brakelinkage.AXLES FITTED WITH GIRLING BRAKESAdjustment is effected by rotatingthe adjusting screw (A) at the rearof each brake backplate in aclockwise direction until the shoesare in contact with the drums andpreventing rotation of the hub; thescrew is then rotated three clicksin an anti-clockwise direction oruntil free rotation of wheel isobtained; re-set main brake linkage.bar axles.Correct setting of compensated brake linkage on squareAdjustment is effected by first removing the wheel, revealingAXLES FITTED WITH LOCKHEED BRAKESbeam axles.BRAKE LININGSthe plastic cap in the brake drum. Remove the cap androtate the drum until the adjusting screw appears in the hole.Using a screwdriver, rotate screw until shoes contact drumand prevent rotation of hub. Rotate screw in oppositedirection for three ‘clicks’, or until free rotation of the hub isobtained. Replace plastic cap and wheel. Re-set main brakelinkage.Inspect the brake liningsfor wear, If a lining isworn to the rivets itshould be replaced. If alining is badlycontaminated withgrease, oil etc., it mustbe replaced, sincecontamination of thistype cannot be sanded ordissolved out.IMPORTANT. Always replacebrake linings insets— on both brakes onthe same axle.4
TORSION BAR AXLESREPLACEMENTTo replace a torsion bar lift the side required with a jack.Remove swing arm cone screw and locknut. Removebar from the swing arm sub-assembly. Taking care to placedimple for screw location in the torsion bar adjacent toscrew hole, fit new torsion bar and replace locknut andscrew, tightening both to torque of 55-60 lb ft. Refit swingarm sub-assembly and replace locknut and screw,applying 55-60 lb. ft. torque. Reconnect brake end fittingand adjust as necessary. Replace wheel.MAINTENANCERemove swing arm sub-assembly on each side as outlinedabove.The following are necessary as an anti-corrosivemeasure. Grease torsion bar and ground sleeve attachedto swing arm. The recommended lubricants for allapplications are Retinax ‘A’, Nulsec ‘L’ or equivalent.BOAT TRAILER AXLESRemove the wheel. Remove brake cable end fitting fromabutments on underside of axle tube.On the required side and near the centre front, slackenSpecial attention should be given to boat trailer axleswhich are subjected to immersion during boat launchingsTo ensure the satisfactory operation of all working partsthe following instructions should be carried out at intervalsof six months or before trailer is stored.1. Carry out normal torsion bar and square beam axlemaintenance as previously stated2. Remove wheels. Remove plastic and wash out brakedrums with clean fresh water. Refit plastic caps andwheels. A short run after this operation using the brakes asmuch as possible will ensure thorough drying out forstorage.3.Remove hub caps. Inspect internal fittings forcorrosion. Repack with grease if required. Replace hub cap.the locknut on the axle tube. Remove the cone screwand locknut.Remove swing arm sub-assembly and torsion bar bytapping with mallet the inside face of swing arm close tothe tube.4. SPECIAL NOTE FOR CONTINUED SUBMERSION INSEA WATER.Where there has been submersion in the sea water for periodsof more than one hour washing out of brakes after eachsubmersion as outlined in (2) is essential for continuedsatisfactory operation.5
Page 3 and 4: INDEXPageGENERAL INSTRUCTIONS 2ASSE
Page 5: ADJUSTMENTFITTING(e) The inner bear
Page 9 and 10: The ammeter or test light should va
Page 11 and 12: BOAT TRAILER ELECTRIC BRAKESSpecial
Page 13: NOSE WEIGHTS1973 1974M 2 103 lbs 10

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