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GENERAL INSTRUCTIONSTo ensure satisfactory operation of all working parts thefollowing instructions should be carried out at intervals of3,000 miles or prior to the trailer remaining stationary forperiods exceeding six months unless otherwise stated.ASSEMBLY OF HUBS FITTED WITH TAPER ROLLERBEARINGSPREPARATION(a) The hub or the hub portion of a combined brakedrum and hub will have the taper roller bearing cupssecurely and accurately in position.WHEELSCheck tightness of wheel nuts.Check tyre pressures weekly and maintain the pressuresat maker’s recommendation. Any unusual pressure lossshould be investigated as under-inflation causes rapidtyre wear and may damage the cords of the fabric.(b) The interior of the hubsmust be clean beforeliberally packing with goodquality high melting pointtaper roller bearing greasei.e. Retinax ‘A’, Nulsec ‘L’ orequivalent.HUBS(c) The operating diametersof the axle must be clean.Remove hub cap. Check taper roller bearing adjustmentby rocking hub. There should be little or no perceptibleshake but should be complete freedom to rotate. (Forlubrication of taper roller bearings see “Assembly ofhubs fitted with taper roller bearings”).(d) The taper roller bearingcones must be greased as(b) ensuring that thegrease penetrates insidethe roller cage, betweenthe rollers and the cones,2
ADJUSTMENTFITTING(e) The inner bearingcone must be placedinside the inner bearingcup and the grease sealplaced into position insidethe hub.(g) The slotted nut must then be tightened using aspanner.(f) The hub subassemblymust then becarefully positioned onthe axle and supportedsquarely until the outerbearing cone has beenplaced in position insideits cup, the washerplaced against it, and theslotted nut handtightened against thewasher.If this procedure is notadhered to the greaseseal could be damaged.‘IIMPORTANT:Whilst this is being done the hub must be rotated byhand until it is locked by the tightening of the nut acuonthen slacken off the slotted nut through 120 (i.e. two fiatsI or until .003” to .007” end float is attained. Periodicchecks must be made to ensure that the end float ismaintained,NOTE! The hubs must not be struck with a malletThe selection of the appropriate slot to line up with thesplit pin hole must be made so that the end float isnearer to the .003” where possible. End float must neverbe less than .003” since too little will pre-load thebearings and result in premature failure.(h) The split pin must beinserted and the outsideleg bent over as shown.The inside leg must be cutshort.3
Page 3: INDEXPageGENERAL INSTRUCTIONS 2ASSE
Page 7 and 8: TORSION BAR AXLESREPLACEMENTTo repl
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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