John Deere APL-315, APL-315N, APL-325, APL-325N, APL-345, APL-350 and APL-735 Axles Component Technical Manual (CTM4422)

Table of Contents:
   MECHANICAL FRONT WHEEL DRIVE AXLES APL-300 AND APL-700 SERIES
   INTRODUCTION
   FRONT WHEEL DRIVE AXLE SERIAL NUMBER PLATE
   Front Axle Application Chart
      Mannheim Tractors
      Getafe Tractors
      Nigel Tractors
   TABLE OF CONTENTS
   SAFETY
   INTEGRATED STEERING CYLINDER
      Specifications
      Torques for hardware
      Steering cylinder, sectional view
      Removing tie rod ball joints
      Removing steering stop clamps
      Separating tie rod and piston rod
      Removing steering cylinder
      Steering piston, sectional view
      Disassembling steering piston
      Steering cylinder, exploded view
      Assembling steering piston
      Installing piston with piston rod in steering cylinder sleeve
      Inserting oil seals in steering rod guide
      Installing O-rings on steering cylinder sleeve
      Assembling steering cylinder
      Installing steering cylinder assembly
      Adjusting axial play of steering cylinder sleeve
      Tightening cap screws of outer guide
      Installing tie rods
      Securing tie rods
      Adjusting toe-in
      Bleeding steering cylinder
   EXTERNAL STEERING CYLINDER
      Specifications
      Torques for hardware
      Steering cylinder, sectional view
      Removing steering cylinder
      Removing piston rod ball joints
      Removing piston rod guide
      Replacing seals of piston rod guide
      Disassembling steering piston
      Assembling steering piston
      Replacing seals
      Assembling steering cylinder
      Adjusting ball joint
      Installing steering cylinder
      Adjusting toe-in
      Bleeding steering cylinder
      Steering cylinder, exploded view
   WHEEL HUB WITH PLANETARY DRIVE
      Special tools
      Specifications
      Torques for hardware and adjustments
      Draining oil
      Removing planetary carrier
      Removing snap rings
      Removing planetary gears
      Removing hollow ring gear (APL-300 series)
      Removing hub carrier bushings (APL-300 series)
      Removing hollow ring gear (APL-735)
      Removing hub and taper roller bearings
      Replacing wear ring
      Wheel hub with planetary drive, exploded view
      Replacing taper roller bearing cups
      Installing inner taper roller bearing cone
      Installing oil seal in wheel hub
      Installing wiper seal
      Installing wheel hub
      Installing solid sleeves (APL-300 series)
      Installing hollow ring gear (APL-300 series)
      Securing hollow ring gear (APL-300 series)
      Installing hollow ring gear (APL-735)
      Checking rolling resistance of wheel bearings (APL-735)
      Locking ring nut (APL-735)
      Assembling Planetary Gears
      Installing planetary gears
      Determining axial play of drive shaft
      Installing planetary carrier
   AXLE HOUSING AND DRIVE SHAFTS
      Special tools
      Specifications
      Torques for hardware and adjustments
      Removing planetary carrier
      Removing thrust washer
      Removing tie rod ball joints
      Removing knuckle pins
      Removing knuckle housing
      Removing bushings and oil seals of drive shaft
      Removing bearing cups
      Disassembiing drive shaft
      Disassembling double universal joint
      Axle housing, exploded view
      Assembling drive shaft
      Installing bearing cups in axle housing forks
      Instaliing bushings and oil seals in axle housing
      Installing drive shaft
      Installing axle knuckle housing
      Installing knuckle pins
      Securing drive shaft
      Adjusting rolling drag torque of knuckle pin bearings
      Installing and securing tie rods
      Installing planetary carrier
   DIFFERENTIAL AND BEVEL PINION DRIVE SHAFT
      Special tools
      Specifications
      Torques for hardware and adjustments
      Draining oil
      Removing drive shafts
      Removing differential
      Removing drive flange
      Removing bevel pinion drive shaft
      Removing outer bevel pinion drive shaft bearing
      Removing inner beve] pinion drive shaft bearing
      Removing differential bearing cups
      Differential, exploded view
      Self-locking differential, exploded view
      Removing taper roller bearing cone from ring gear
      Removing lock plate
      Removing ring gear
      Removing disk pack of self-locking differential
      Removing beve] pinion shaft
      Removing taper roller bearing cone from differential housing
      Installing disks of differential lock
      Installing bevel pinions
      Checking axial free play of inner disk pack
      Checking axial free play of outer disk pack
      Securing bevel pinion shaft
      Installing ring gear
      Installing taper roller bearings
      Self-locking differential, exploded view
      Disassembling differential housing
      Removing taper roller bearing cones
      Removing ring gear
      Installing ring gear
      Installing taper roller bearing cones
      Installing disks of differential lock
      Installing bevel pinions
      Checking backlash of bevel pinions
      Assembling differential housing
      Assembling and adjusting bevel pinion drive shaft
      Adjusting cone point
      Adjusting backlash of ring gear
      Checking backlash of ring gear
      Adiusting bearing preload of differential
      Checking load pattern of ring gear
      Assembling and securing axle housing
      Final assembly
   DESCRIPTION AND METHOD OF OPERATION
      Description
      Front axle, sectional view
      Design of front axle
      Method of operation of front wheel drive
      Method of operation of self-locking differential
      Checking overrun of front wheel drive axle