TRANSFER CASEARMY MODELS

NUMBERING SYSTEM OF 1210 (TRANSFER CASE)

AG VZ 100001

Cumulative number

Manufacturing year

Auxiliary gear box

ARMY MODELS

TRANSFER CASE

Type : Constant mesh helical gears.

Ratio : High – 1.05 : 1 (4X2)

Low - 1.60 : 1 (4X4)

Pre caution to operate 4X4.

• Engage with vehicle fully stopped

• Engaged only on slippery road.

• Engage in 4X2 if the vehicle speed is above 30

kmph.

ARMY MODELS

The transfer case which is used in 713 TC (LPTA) :-

Type :- Constant mesh Helical gears supported on taper roller

bearing housed in a ribbed cast housing mounted on cross member with rubber bushes. No. of speeds:- 2

ARMY MODELS

GEAR RATIOS

SR. NO. OPERATION GEAR RATIO

1. FOR HIGH-WAY OPERATION

(POWER TRANSMISSION THROUGH REAR AXLE ONLY)

1.05:1

2. FOR CROSS COUNTRY OPERATION

(POWER TRANSMISSION THROUGH REAR AND FRONT

AXLES)

1.60:1

ARMY MODELS

POWER TRANSMISSION THROUGH TRANSFER CASE

A - Drive from gear box

B - Drive to rear axle

C - Drive to front axle

ARMY MODELS

A

TRANSFER CASE IN NEUTRAL POSITION ARMY MODELS

A

B

REAR WHEEL DRIVE FOR NORMAL OPERATION ON HIGHWAY ARMY MODELS

A

BC

FOUR WHEEL DRIVE FOR CROSS COUNTRY OPERATIONARMY MODELS

REPAIR /ADJUSTMENT DATA Backlash between all mating gears

0.2 + 0.05 mm

Backlash between engaging sleeves and gears

0.05 + 0.02 mm

Backlash between speedometer drive gears

0.15 + 0.05 mm

Dimension between input shaft gear (small) face and front face of housing

27.0 ± 0.1 mm

Dimension between idler gear front face and front face of housing

28.0 ± 0.1 mm

ARMY MODELS

TORQUE

Front coupling flange

30 to 36 mkg

Rear coupling flange

24 to 28 mkg

The oil capacity in Auxiliary gear box (Transfer case) is 4.0 liters.

The grade is 90 Ep. (Bharat spirol).

ARMY MODELS