2. Introductions
Please introduce yourself loud and clear including your details for:
▪ Participant Name
▪ Dealership Name
▪ Location
▪ Experience in Tata Motors (In years & months)
▪ Hobbies
▪ What Bonds you with TATA MOTORS
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3. Program Objective
At the end of this module the participants will be able to:
▪ Perform basic checks on the Axle Systems
▪ Perform preventive maintenance on Axle Systems
▪ Dismantle & Assemble Axle Systems
▪ Perform inspection of components
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6. Technical Specifications
7/26/2022 TML 6
Model ZF RL 85 A
Type Low floor front axle with disc brake
Suspension Air Suspension
Rim Size 22.5”
Vehicle Models fitted with this axle LPO 1623 CNG RE LE
LPO 1624 RELE
LPO 1625 CNG RELE
LPO 1925 CNG HYBRID
R – Rated
L – Load
85 – 8.5 Tonnes
A – Series
17. Practical Exercise
▪ Please follow the instructions of the trainer
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Exercise Name –
Disassembly of Axle
Duration – 90 mins
18. Practical Exercise
▪ Please follow the instructions of the trainer
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Exercise Name –
Overhauling of Caliper
Duration – 120 mins
19. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 19
Exercise Name –
Inspection of Axle and
Disc Components
Duration – 90 mins
20. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 20
Exercise Name –
Assemble and install
Axle system
Duration – 120 mins
22. Identification
▪ The axle model number identification plate is located on the axle center
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23. Technical Specifications
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Model Meritor FH 946
Type Low floor front axle with disc brake
Suspension Air Suspension
Rim Size 22.5”
Vehicle Models fitted with this axle LPO 1623 CNG RE LE
LPO 1624 RELE
28. Special Tools
Oval guide bush fitting tool
▪ Tool Used for Guide Sleeve, Dust Excluder, Retainer & Bushes
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29. Special Tools
King Pin Bushing Service Kit, King Pin Reamer Kit
▪ Removal & Disassembly of King Pin
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30. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 30
Exercise Name –
Disassembly of Axle
Duration – 90 mins
31. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 31
Exercise Name –
Overhauling of Caliper
Duration – 120 mins Video
Please select audio
track 6 for English
32. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 32
Exercise Name –
Inspection of Axle and
Disc Components
Duration – 90 mins
33. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 33
Exercise Name –
Assemble and install
Axle system
Duration – 120 mins
35. Technical Specifications
7/26/2022 TML 35
Model ZF RL 75 E (Max load is 7.5 tonnes)
Type Low floor front axle with disc brake
Suspension Air Suspension
Rim Size 22.5”
Vehicle Models fitted with this axle LPO 1628 Hi-Deck - DIVO
R – Rated
L – Load
75 – 7.5 Tonnes
E – Series
38. Tightening Torques
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Component Torque
Control Arm Pin Hex. Nut 100 mkg
Lower control Arm castle Nut (at strg. knuckle
carrier bolt)
60 mkg
Tie rod arm castle Nut (at steering knuckle) 110 mkg
Tie rod castle nut (at steering arm) 30 mkg
Hub clamping nut tightening screw 6.5 mkg
Brake caliper mtg bolt (on strg. knuckle carrier) 27.5 mkg
39. Greasing Points
Greasing Interval : 90,000 kms
Grease to be used : Castrol Spherol EPL2 Grease
1) Steering knuckle bearing (above)
2) Steering knuckle bearing (below)
3) Control arm (above)
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40. Special Tools
▪ List of special tools is given in the attached PDF
7/26/2022 TML 40
41. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 41
Exercise Name –
Disassembly of Axle
Duration – 90 mins
42. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 42
Exercise Name –
Inspection of Axle and
Disc Components
Duration – 90 mins
43. Practical Exercise
▪ Please follow the instructions of the trainer
7/26/2022 TML 43
Exercise Name –
Assemble and install
Axle system
Duration – 120 mins
