Removing and installing folding rear backrest - AR91.12-P-1720GH

MODEL 163.136/154/172 up to 31.8.99 

Fig 1: Identifying Folding Rear Backrest Components

	Removing, installing
1	Loosen seat cover at covers (2, 3)	To expose the covers.
2	Unscrew screws (1) on upper covers (2)	Torx bit set	Figure
3	Unclip covers from bottom backrest fitting (3)
4	Unscrew screw (4) from left backrest mount (8)		*BA91.12-P-1006-03A
		Torx bit set	Figure
5	Unscrew screw (5) from right backrest mount (10)		*BA91.12-P-1006-03A
		Torx bit set	Figure
6	Unscrew screw from middle belt buckle and seat belt	Pull out seat belt end fittings until bolts in backrest fittings are accessible.
		Bolt at seat belt buckle	*BA91.40-P-1007-01D  *BA91.40-P-1005-01D
		Screw for rear automatic belt reel to 2/3 seat bench	*BA91.40-P-1006-01D
		Torx bit set	Figure
7	Unscrew screws (7) from backrest fittings		*BA91.12-P-1007-03A
		Torx bit set	Figure
8	Remove rear backrest	Move backrest to sitting position and remove. On left and right backrest first pull out backrest fitting side, then pull out of backrest mount.
9	Install in the reverse order

Seat belts/emergency tensioning retractors

Number	Designation		Model 163 up to 08/99	Model 163 as of 09/99
BA91.40-P-1005-01D	Screw for rear automatic belt reel to 2/3 seat bench	Nm	40	40
BA91.40-P-1006-01D	Bolt of seat belt buckle to rear seat	Nm	35	45
BA91.40-P-1007-01D	Bolt of seat belt buckle to front seat	Nm	35	35

Rear seats

Number	Designation		Model 163 as of 09/99
BA91.12-P-1006-03A	Screw for backrest fitting to rear backrest	Nm	30
BA91.12-P-1007-03A	Screw for backrest fitting to seat frame	Nm	30

Fig 2: Identifying Torx Bit Set (000 589 01 10 00)