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4  Inspection procedures

13

en

XL-SA30000RM-en-DE Rev A • 02.2016 • Errors and changes excluded © SAF-HOLLAND

4  Inspection procedures

4.1  General information

The objective of this chapter is to give guidance on 

how inspection of the brake components should be 

conducted. Always start by consulting the inspection 
interval table in chapter 

„4.2 Inspection inter

-

vals“.

The table indicates how frequently the different brake 

components should be inspected and on which pages 

the check instructions are found.

For the majority of inspections, the wheel should be 

removed from the vehicle. Before removing the wheel, 
read chapter 

„2 Safety precautions“

 and 

„3 Ini

-

tial and final procedures“

.

4.2  Inspection intervals

The inspection intervals specified in the table below 

are maximum intervals. Depending on the vehicle 

application, type of driving, adjustment to the vehicle 

manufacturer's service/inspection intervals etc., there 

may be a need for more frequent inspections.

Inspection intervals

1 = Function test
2 = Setting
3 = Visual inspection

Before starting to use vehicle

Daily

After 3,000 to 5,000

 km

Every 3 months

Every 12 months

If components are replaced in the  system

See page

Setting the control system/valves

1/2

–

–

–

–

1/2

 ► chapter 2.3

Braking force distribution tractor/trailer

–

–

1/2

–

–

1/2

 ► chapter 2.3.3

Safety check

–

1

–

–

–

–

 ► chapter 4.3.1

Brake pads

–

–

–

3

–

–

 ► chapter 4.3.3

Brake disc

–

–

–

3

–

–

 ► chapter 4.3.5

Function test

–

–

–

–

1

–

 ► chapter 3.3

Plugs and protective caps

–

–

–

–

3

–

 ► chapter 4.3.6

Thrust plate guide pins

–

–

–

–

3

–

 ► chapter 4.3.7

Guide pin bellows

–

–

–

–

3

–

 ► chapter 4.3.9

Thrust plate bellows

–

–

–

–

3

–

 ► chapter 4.3.10

Slide function

–

–

–

–

1

–

 ► chapter 4.3.11

Содержание SBS 2220 H0

Страница 1: ...Repair Instructions Compressed Air Disc Brake SAF SBS 2220 H0 SAF SBS 1918 H0 XL SA30000RM en DE Rev A 02 2016 Translation of the original repair instructions...

Страница 2: ...parts in repairs This manual is subject to the copyright of SAF HOLLAND GmbH All rights reserved No part of this manual may be reproduced copied or translated in any form or by any means without the p...

Страница 3: ...s 17 4 3 8 Checking the actuation interface 18 4 3 9 Checking the guide pin bellows 19 4 3 10 Checking the thrust plate bellows 20 4 3 11 Checking the slide function 21 4 3 12 Measuring the bearing cl...

Страница 4: ...A 02 2016 Errors and changes excluded SAF HOLLAND 7 Tools 38 7 1 SAF special tool for SBS 2220 H0 38 8 Fault finding 39 8 1 General fault finding instructions 39 8 2 Inspection intervals 39 9 Spare p...

Страница 5: ...d compressed air disc brake inspection intervals In this chapter the inspection intervals table displays how frequently the different brake compo nents should be inspected and on which pages the check...

Страница 6: ...Safety precautions 2 1 General information This chapter details the safety precautions that must be read and followed before any inspection repair in stallation procedure described in these repair in...

Страница 7: ...lly applied brake calculations If the brake force is not correctly distributed it can lead to excessive braking of a vehicle and or one or more axles in the combination This can result in overheating...

Страница 8: ...on Failure to follow the Instructions below could jeop ardise safety and or reduce the service life of the disc brake and its components If the vehicle is shot blasted all rubber parts and pads on the...

Страница 9: ...ty precautions before wheel removal The vehicle manufacturer s safety precautions must be followed Fig 7 Removing the wheel 1 Check the free rolling resistance If the resistance is higher than expecte...

Страница 10: ...the re set shaft tightened in the de adjust position could stop the adjustment function from working After reaching the end stop position always then adjust by rotating the reset shaft clockwise 90 de...

Страница 11: ...the event of improper fitting of the reset shaft protective plug and resulting damage 3 Fit the reset shaft protective plug on the brake calliper and verify that it is correctly aligned and fully in t...

Страница 12: ...brake if fitted with a spring brake chamber 2 Lift the axles so that the stands can be removed 3 Carefully lower the vehicle to the ground Fig 14 Removing the wheel blocks 4 Remove the wheel blocks D...

Страница 13: ...tervals The inspection intervals specified in the table below are maximum intervals Depending on the vehicle application type of driving adjustment to the vehicle manufacturer s service inspection int...

Страница 14: ...isc etc 4 3 3 Checking brake pad wear Danger Wear respiratory protection in order to avoid inhaling particles which can be hazardous to health Brake pad wear produces dust which can cause lung dam age...

Страница 15: ...ke pad clearance check Danger Wear respiratory protection in order to avoid inhaling particles which can be hazardous to health Brake pad wear produces dust which can cause lung dam age Note The clear...

Страница 16: ...the thickness of the brake disc using a calliper If the brake disc has a wear ridge the measurement can be performed using two spac ers B e g 5 mm thick flat washers see Fig 19 Reduce the measured di...

Страница 17: ...e warranty and compromise the disc brake The nut D must not be adjusted see Fig 21 4 3 7 Checking the thrust plate guide pins Danger Wear respiratory protection in order to avoid inhaling particles wh...

Страница 18: ...ake chamber normal service and spring brake parking chamber 1 Read and follow 3 2 Initial procedure prior to inspecting the actuation interface 2 Thoroughly clean around the mating surfaces of the bra...

Страница 19: ...l flange B is correctly seated intact and undamaged 14 Once the inspection is completed satisfactorily conclude by reading and following chapter 5 3 3 Installing the brake chamber and 5 3 4 Final proc...

Страница 20: ...inspection Over adjustment extension may cause the thrust plate to disengage from the adjustment screw and if done unintentionally may cause damage to the thrust plate bellows The min distance between...

Страница 21: ...he brake calliper must be able to slide freely on the guide pin 1 Read and follow 3 2 Initial procedure and 5 2 2 Removing the brake pads prior to inspecting the slide function 2 Once the brake pads a...

Страница 22: ...of the red arrows and read the clearance from the dial gauge see Fig 34 Measurement specification The bearing bushing must be replaced if the clear ance exceeds 2 mm See chapter 5 5 Replacing the sli...

Страница 23: ...the surfaces Do not use compressed air Take care when using chemicals and or cleaning tools e g knives brushes etc This to avoid damage or displacement of hoses seals and other components 1 If necess...

Страница 24: ...alliper can be slid across to allow for the inner brake pad to be removed 6 Remove the pad retainer spring bracket C 5 2 3 Installing the brake pads Caution When replacing the brake pad all components...

Страница 25: ...king correctly 2 3 4 Final procedure 5 3 Replacing the brake chamber 5 3 1 Initial procedure Read and follow chapter prior to removing the spring brake chambers 5 3 2 Removing the brake chamber Danger...

Страница 26: ...rake chamber installed ensure that the springs of the parking brake have been locked in accordance with the vehicle manufactur er s instructions 2 Before removing the brake chamber it is good practice...

Страница 27: ...n the compressed air system is 6 bar 9 With the service brake engaged and if applicable with the parking brake released check the brake chamber hoses and connections for leaks and damage 5 3 4 Final p...

Страница 28: ...ponents Ensure that dirt and impurities do not enter the opening for the adjustment screw Fig 50 Clamping device for the thrust plate Clean the thrust plate the adjustment screw and the adjustment scr...

Страница 29: ...iper end of the adjustment screw bel lows see Fig 53 12 Firmly press on the special tool with equal and parallel force so that the adjustment screw bellows is pressed into position within the brake ca...

Страница 30: ...on assembly Caution Where indicated use an SAF special tool only Fig 55 Clamping device for inserting the slide function assembly 1 Fasten the brake calliper securely in a vice with soft jaws see Fig...

Страница 31: ...D C Fig 59 Removing the guide pins 5 By hand push out the fixed bearing C and float ing bearing D see Fig 59 E Fig 60 Removing the bellows and guide pins 6 Remove both guide pin bellows E see Fig 60 I...

Страница 32: ...P N 4 434 3884 00 P N 4 434 3837 P N 4 434 3848 00 P N 4 434 3841 00 P N 4 434 3890 00 and P N 4 434 3889 see Fig 63 12 Once fitted correctly rotate the threaded tool clockwise which will pull out the...

Страница 33: ...4 3841 00 P N 4 434 3889 00 and P N 4 434 3890 00 preloaded with the new components see Fig 66 3 Once fitted correctly rotate the threaded tool clockwise which will pull into position the two bearing...

Страница 34: ...ting bearing guide bolt D into the composite bushing see Fig 70 The longer guide pin C is inserted into the fixed bearing side Note that one end of the guide pins has a machined groove This side shoul...

Страница 35: ...this procedure read and follow chapters 1 5 7 3 Installing the disc brake 2 5 2 3 Installing the brake pads 3 5 3 3 Installing the brake chamber 4 3 3 Function test to ensure that the disc brake is w...

Страница 36: ...disc brake 1 Refit the old pad retainer by first locating the pad retainer in the housing end in the brake calliper ap erture Then place the rectangular aperture of the pad retainer over the brake ca...

Страница 37: ...retainer and brake pad retainer spring Dispose of the old brake pad retainer and the old pad retainer spring They must not be re used 5 7 4 Final procedure To conclude this procedure read and follow...

Страница 38: ...bolts x 2 for guide pins 180 Nm 70 Brake chamber fastening nuts 180 Nm 210 Nm Brake calliper bolted connection 450 Nm 30 120 Nm 60 7 Tools 7 1 SAF special tool for SBS 2220 H0 The listed tools are par...

Страница 39: ...ourney 8 2 Inspection intervals Caution Risk of serious accidents which may lead to serious or fatal injuries Missing or damaged components must be replaced immediately by an authorised workshop and b...

Страница 40: ...ist 40 en XL SA30000RM en DE Rev A 02 2016 Errors and changes excluded SAF HOLLAND 9 Spare parts and repair kit list Spare parts and repair kits for compressed air disc brake SAF SBS 2220 SBS 1918 H0...

Страница 41: ...4 2 4 Spring clip cannot be ordered individually 065 Reset shaft group item 65 65 1 03434386200 65 1 Adjuster plugs cannot be ordered individually 65 1 1 Adjustment screw cannot be ordered individuall...

Страница 42: ...e 26 D 63856 Bessenbach Emergency hotline 49 6095 301 247 Customer Service 49 6095 301 602 Fax 49 6095 301 259 service safholland de www safholland com XL SA30000RM en DE Rev A 02 2016 Errors and cha...

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