A weeping wheel hub or a whining differential usually means the axle has to come apart, and this 64-page Manitou ASK 372, AS 372 KR repair manual PDF (OEM ID 647372EN) is the factory guide for that job on the planetary drive steer axle. Teardown and rebuild procedures form the core of the book, covering the wheel hub, pivot, cardan shaft, differential and brake group, and brake cylinders, with bevel gear adjustment and metallic oil seal handling broken out separately. Assembly drawings marked with driving torques and a special tools list close it out. When you rebuild the differential, set ring gear to pinion play at 0.2 to 0.3 mm, then refill the central section with about 50 kg (110 lb) of oil and each hub with about 5 kg (11 lb). Guess the backlash and you pay for a chewed crown wheel and a second teardown. Bookmarked and text searchable, the PDF is yours to keep for the life of that axle.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|
| Specific Data | 7-10 | Description, Identification Data, Packing and Movement |
| Security Regulations | 11-18 | Axle Capacity, Working Factor, Installation of Drive Axle, Brakes, Fixing Drive Axle to the Machine, Wheels Assembly, Drive Axle Utilization, Start-Up |
| Maintenance | 19-22 | Foreword, Tests Conducted by the Manufacturer, Routine Inspections, Checking and Changing of the Oil, Recommended Oils, Recommended Greases, Greasing Points |
| Disassemblies | 23-28 | Disassembly of the Wheel Hub, Disassembly of the Pivot, Disassembly of the Cardan Shaft, Disassembly of the Internal Shaft, Removal of the Brake Cylinders |
| Cleaning and Inspections | 29-30 | Cleaning, Bearings, Brake Disks, Seals, Oil Retaining Rings and Thrust Washer, Gears, Use of Thread-Locking Adhesive and Paste Seals |
| Assemblies | 31-40 | Assembly of the Differential Unit, Assembly and Installation of the Pinion Unit, Assembly of the Differential and Brake Group, Bevel Gear Adjustment |
| Torques and Special Tools | 41-64 | Assy's Drawing and Driving Torques, Special Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Central section oil capacity | about 50 kg (110 lb) | p. 21 |
| Central section oil capacity | 50 kg | p. 21 |
| Wheel hub oil capacity | about 5 kg (11 lb) | p. 21 |
| Wheel hub oil capacity | 5 kg | p. 21 |
| Planet gear needle bearing grease | FINA MARSON EPL 3, NLGI:3 degree | p. 39 |
| Wheel hub ring nut tightening torque | 30-35 Nm | p. 36 |
| Bevel ring gear and pinion play | 0.2 to 0.3 mm | p. 34 |
| Axle bronze bush thickness | 6 mm | p. 38 |
| Minimum tie rod position (dimension B) for brake disc replacement | 24.5 mm | p. 60 |
| Brake piston adjustment depth (dimension A) | 40.2 mm | p. 60 |
| Axle weight | 1450 kg | p. 9 |
| Maximum input pressure (brake actuating) | 150 bar | p. 13 |
