Remove/install brake shoes of parking brake - AR42.20-P-0530GH

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175

Fig 1: Identifying Brake Shoes Of Parking Brake Components

Shown on vehicle with floating caliper

Modification notes

12.12.02	Notes on safety for lifting platform, included for the first time		AS00.00-Z-0010-01A
12.12.02	Check version of pedal assembly, included for the first time	Step 11	BT42.20-P-0510-01A

	Remove/Install
	Lethal injuries are possible if vehicle slips off of lifting platform	Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
1	Remove wheels
	Remove/install wheels, rotate if necessary		AP40.10-P-4050GH
2	Remove brake disks at rear axle	Vehicle with floating caliper.	AR42.10-P-0220GH
		Vehicle with fixed caliper.	AR42.10-P-0220GI
3	Pre-tension automatic cable slack adjuster		AR42.20-P-0520-01A
4	Unhook retracting spring (111) using removal and installation tool (041)	Installation: Ensure that retracting spring (111) is seated correctly.
		Removal and installation tool	Fig 2
5	Remove retaining spring (107) and pin (106)	Installation: Ensure that retaining spring (107) is seated correctly
6	Remove brake shoes (103) over rear axle shaft flange (68)	If brake shoes (103) are burnt, the brake shoes(103), retracting springs (111, 112) and retaining springs (107) and pins (106) must be replaced. Installation: Turn back adjusting mechanism (105) and insert into both brake shoes (103) such that the adjusting wheel (c) points downwards.
7	Detach retracting spring (112)	Installation: Ensure that retracting spring (112) is seated correctly Coat thread of thrust piece (104) and cylindrical part of adjusting wheel (c) with MB long-term grease.
		Long-life grease	*BR00.45-Z-1001-06A
8	Remove expanding lock (109)	Coat all bearing and sliding surfaces on the expanding lock (109) with MB long-term grease.
		Long-life grease	*BR00.45-Z-1001-06A
9	Install in the reverse order
10	Relieve load on automatic slack adjuster.		AR42.20-P-0520-02A
	Inspecting
11	Check version of pedal assembly
	Parking brake pedal assembly modified		BT42.20-P-0510-01A
12	Adjust parking brake		AR42.20-P-0540GH

Fig 2: Identifying Removal And Installation Tool (116 589 01 62 00)

Repair materials

Number	Designation	Order number
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51