Land Rover Lt230t Transfer Box Overhaul 3rd Edition Rover Manual
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TRANSFER BOX DESCRIPTION AND OPERATION3 FRONT OUTPUT HOUSING COMPONENTS 1.High/low cross shaft housing 2.Bolt - high/low cross shaft housing 3.’O’ring 4.High/low cross shaft and lever 5.Dog clutch 6.Front output shaft 7.Hollow plug 8.Detent plug - differential lock 9.Detent spring - differential lock 10.Detent ball - differential lock 11.Differential lock warning lamp switch 12.Locknut ** 13.Front output housing 14.Spring and clips - differential lock 15.Differential lock selector fork 16.Side cover 17.Bolt - side cover 18.Bolt - front output housing 19.High/low selector finger 20.Differential lock selector shaft 21.Plug22.Bearing spacer 23.Output shaft bearing 24.Circlip 25.Oil seal 26.Output shaft flange and mud shield 27.Felt washer 28.Steel washer 29.Self-locking nut 30.Differential lock selector finger and shaft 31.’O’rings 32.Differential lock selector housing 33.Bolt - housing 34.Selector lever 35.Washer 36.Self-locking nut 37.Low detect switch - later boxes - if fitted 38.Low detect switch - early boxes - if fitted 39.Gasket - high/low cross shaft housing * 40.Gasket - front output housing * 41.Gasket - side cover plate * * Up to serial no. 288709E ** Later boxes - spacer fitted in place of locknut
TRANSFER BOX DESCRIPTION AND OPERATION5 DIFFERENTIAL COMPONENTS 1.Retaining ring 2.Differential carrier - rear half 3.Low range gear 4.High/low hub 5.High/low selector sleeve 6.High/low selector shaft 7.High/low selector fork 8.Setscrew - high/low selector fork 9.High range gear 10.High range gear bush 11.Differential rear bearing 12.Bearing outer track13.Bearing retaining nut 14.Dished thrust washers 15.Planet gears 16.Cross shafts 17.Sun gears 18.Selective thrust washers 19.Differential carrier - front half 20.Bolt - differential carriers 21.Differential front bearing 22.Bearing outer track 23.Selective shim
TRANSFER BOX DESCRIPTION AND OPERATION7 MAIN CASING COMPONENTS 1.Main casing 2.Retaining plate 3.Bolt - retaining plate 4.Stake nut - intermediate shaft 5.Bearings and outer tracks - mainshaft input gear 6.Mainshaft input gear * 7.Selective shim 8.Gasket ** 9.Mainshaft input gear bearing housing 10.Oil feed plate *** 11.’O’ring *** 12.Gasket ** 13.Cover plate/power take-off cover * 14.Bolt - cover plate 15.Countersunk screw - bearing housing 16.Oil temperature switch *** 17.Neutral warning lamp switch and washer ***18.Bearings and outer tracks - intermediate gears 19.Circlips 20.Collapsible spacer **** 21.Intermediate gears 22.Gasket ** 23.Bottom cover plate 24.Bolt - bottom cover plate 25.’O’rings - intermediate shaft 26.Intermediate shaft 27.Mainshaft oil seal 28.Locating dowel 29.Detent plug - high/low selector 30.Detent spring - high/low selector 31.Detent ball - high/low selector 32.Interlock solenoid *** 33.Cover - interlock solenoid *** 34.Bolt - interlock solenoid cover *** 35.Belleville washer *** * Defender mainshaft input gear and Discovery power take-off cover plate illustrated ** Up to serial no. 288709E *** If fitted **** Selective length - non-collapsible spacer fitted on later transfer boxes
TRANSFER BOX DESCRIPTION AND OPERATION9 REAR OUTPUT HOUSING AND TRANSMISSION BRAKE COMPONENTS 1.Rear output shaft 2.Gasket * 3.Rear output housing 4.Bolt - rear output housing 5.Speedometer drive gear 6.Spacer 7.Output shaft bearing 8.Circlip 9.Oil seal 10.Mud shield 11.Output shaft flange 12.Felt washer 13.Steel washer14.Self-locking nut 15.Transmission brake backplate 16.Bolt - transmission brake backplate 17.Transmission brake drum 18.Countersunk screw 19.Speedometer driven gear 20.’O’ring 21.Speedometer driven gear housing 22.Seal 23.’O’ring ** 24.Vehicle speed sensor ** 25.Allen screw ** * Up to serial no. 288709E ** If fitted
TRANSFER BOX DESCRIPTION AND OPERATION11 TRANSFER BOX CROSS SECTION 1.Main casing 2.Front output housing 3.Rear output housing 4.Dog clutch 5.Transmission brake 6.Mainshaft input gear 7.Selective shim - input gear bearing pre-load 8.Intermediate gear cluster 9.Intermediate shaft 10.Spacer - intermediate shaft bearing pre-load11.Differential assembly 12.Selective shim - differential bearing pre-load 13.Low range gear 14.High/low selector sleeve and hub 15.High range gear and bush 16.Differential rear bearing 17.Front output shaft 18.Differential lock selector shaft 19.Selector fork 20.Speedometer drive gear 21.Rear output shaft