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20

POWER STEERING

IX Assembly of the steering unit and functional

testing

Before assembly, all traces of paint and damages

must be removed from the face surfaces of the

housing and cover. In addition, all parts must be

thoroughly cleaned, lightly oiled and all sealing parts

must be renewed.The measuring and adjusting tools

used must be regularly checked for accuracy.

A) Pre-assembly of housing

1. Clamp the housing in the Assembly Vice Tool-

No 3.

2. The rollers are fitted with grease and a polyamide

filler piece in the roller gap; this provides protection

when the parts are stored and remains in the

steering unit).

Insert the sector shaft; this is important for

installing the seal rings (6.1 and 6). Remove the

sector shaft.

3. Place one round seal ring (6.1) and one seal ring

(6) in each of the two radial grooves of the housing

neck. Special care must be taken to ensure that

the polyamide rings with the beveled surface lie

on the same inclined surface of the groove.

VIII Technical Data.

SR.NO

DESCRIPTION

VALUES

1

FRICTION MOVEMENT OUT-SIDE “SAP”, MEASURED

40-60 NCM

AT INPUT SHAFT OF STG. GEAR BOX

2

FRICTION MOVEMENT AT “SAP”, MEASURED AT

ADD 70-150 NCM

INPUT SHAFT OF STG. GEAR BOX

HIGHER TO 1.

3

HEX. BOLTS(132)/COVER(128)

M10 = 62NM

M12X1.5 =115 NM

M14X1.5 =190 NM

4

HEX. BOLTS(46)/COVER(40)

M10 = 62NM

M12X1.5 =115 NM

M14X1.5 =190 NM

M16X1.5 =285 NM

5

SEALING-NUT(50)

70 NM