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General Information

Symbols used in this document

DANGER

Description of an immediate situation which will result in irreversible injury or death if the warning is

ignored.

WARNING

Description of a possible situation which may result in irreversible injury or death if the warning is

ignored.

CAUTION

Description of a possible situation which may result in irreversible injury if the warning is ignored.

NOTICE

Description of a possible situation which may result in material damage if the warning is ignored.

Important information, notes and/or tips

www www

@ @

Reference to information on the internet

Action step

Consequence of an action

List

•

List

Note on the use of a tool/WABCO tool

How to Obtain Additional Maintenance, Service and Product Information

If you have any questions about the material covered in this publication, or for more information about

the WABCO product line, please contact WABCO Customer Care Center at 855-228-3203, by email at

[email protected], or visit our website: www.wabco-na.com.

Содержание SYSTEM SAVER HP MM1736

Страница 1: ...SYSTEM SAVER HP AIR DRYER MAINTENANCE MANUAL MM1736...

Страница 2: ......

Страница 3: ...rbo Cut Off Valve Assembly 20 4 2 5 Governor 20 4 2 6 Purge Valve Assembly 21 4 2 7 Air Dryer Assembly 21 5 Troubleshooting and Testing 23 5 1 Maintenance 23 5 1 1 Maintenance Tips 24 5 2 Troubleshoot...

Страница 4: ...OTICE Description of a possible situation which may result in material damage if the warning is ignored i i Important information notes and or tips www www Reference to information on the internet 1 A...

Страница 5: ...tps www wabco academy com home WABCO online product catalog www www http inform wabco auto com Your direct contact to WABCO WABCO North America WABCO USA LLC 1220 Pacific Drive Auburn Hills MI 48326 C...

Страница 6: ...ive goggles respiratory protection and ear protectors Read and observe all Danger Warning and Caution hazard alert messages in this publication They provide information that can help prevent serious p...

Страница 7: ...entification The System Saver HP air dryer has the governor integrated into the body of the air dryer and also has an integrated purge tank Figure 1 Fig 1 4013285a PURGE TANK GOVERNOR 3 3 How the Air...

Страница 8: ...IR DRY AIR COMPRESSOR INTAKE LINE Compressed air passes into the air dryer at the inlet port Moisture laden air and contaminants enter the desiccant Moisture is retained by desiccant moisture also col...

Страница 9: ...for an extended period of time Dry system air flows back through the air dryer to regenerate desiccant 4013569a PURGE PORT 3 2 CARTRIDGE PURGE TANK 3 3 2 System Saver HP Air Dryer System Fig 2 4013288...

Страница 10: ...in Figure 3 Refer to Section 4 for instructions for removal of old parts and installation of new parts Fig 3 4013289a GOVERNOR PORT 3 3 PRESSURE RELIEF VALVE PORT 3 1 DESICCANT OR COALESCING CARTRIDG...

Страница 11: ...enance Always replace cartridges with authentic WABCO brand cartridges Coalescing Cartridge Utilizes a filter element added to the standard desiccant to remove aerosols and oil particles Heater Locate...

Страница 12: ...ge cycle Figure 8 Fig 8 4013321a Turbo Cut off Valve A valve located in the inlet port of the air dryer It closes the path between the air compressor and the air dryer purge valve during compressor un...

Страница 13: ...13 Introduction EN Governor Located in port 3 3 of the air dryer base Controls the cut in and cut out pressure of the compressor Figure 11 Fig 11 4014745a...

Страница 14: ...personal injury i i The pressure protection elements are not serviceable on the System Saver HP The entire dryer needs to be replaced if these parts are not operating effectively 4 1 Component Replac...

Страница 15: ...open position or not functioning correctly No pressure build up in system everything else is OK Valve is stuck in closed position Purge Valve No purge cycle when compressor unloads normal pressure at...

Страница 16: ...cartridge Pressurized air can cause serious personal injury i i The pressure protection elements are not serviceable on the System Saver HP The entire air dryer needs to be replaced if these parts ar...

Страница 17: ...damage i i If the seal seats are damaged so badly that a tight seal cannot be maintained replace the air dryer Fig 13 1002164a SEAL SEAL SEAT O RING 5 Lubricate and install the new O ring on the stem...

Страница 18: ...lve body and O ring 3 Clean and inspect the valve bore If the bore is damaged so that a tight seal cannot be maintained replace the air dryer 4 Install the new O ring on the valve body Figure 15 Fig 1...

Страница 19: ...eceptacle and O ring from the base to access the retainer screw 4 Remove the retainer screw and then remove the entire heater assembly 5 Install the O ring to heater connector housing 6 Install the ne...

Страница 20: ...r 5 Apply a thin layer of grease to the valve bore and the O rings 6 Install new O rings on the piston and sleeve 7 Press the piston into the sleeve 8 Press the piston sleeve assembly into the air dry...

Страница 21: ...inspect the valve bore If the bore is damaged so that a tight seal cannot be maintained replace the air dryer 3 Install the purge valve assembly in the air dryer Use a 1 11 16 wrench to tighten it to...

Страница 22: ...ing location Figure 21 Fig 21 4013563a 4 Attach the new unit to the frame or mounting bracket with new mounting bolts and washers Tighten the bolts to 22 30 ft lb 30 40 Nm Figure 22 Fig 22 4013564a 5...

Страница 23: ...you disconnect any component including the desiccant cartridge Pressurized air can cause serious personal injury 5 1 Maintenance To keep the air dryer operating efficiently WABCO recommends the follow...

Страница 24: ...e air dryer heater is in good working order by running a heater resistance test Refer to the procedure in this section Check the line from the compressor to port 4 of the dryer for oil and or water Ke...

Страница 25: ...sary Make sure downward slope of signal line from compressor to dryer Regeneration cycle too long more than 30 seconds accompanied by loss of pressure in the supply tank Outlet check valve not seating...

Страница 26: ...f valve not sealing Replace turbo cut off valve Outlet check valve not seating Replace outlet check valve Rapid spitting of air from purge valve in small amounts Frequency varies with engine speed NOT...

Страница 27: ...cks out okay Dryer not suitable for application Review the application guidelines Refer to TP9672 For assistance call the WABCO Customer Care Center at 855 228 3203 5 2 1 Tests 5 2 1 1 Heater Resistan...

Страница 28: ...are NOT sealed correctly To Repair Incorrectly Sealed Connections 1 Drain all reservoirs 2 Remove leaking connection 3 Inspect the connectors and ports for damaged threads or cracks Replace if necessa...

Страница 29: ...he procedure in this maintenance manual 5 If the TCV is not leaking continue to run the engine until the compressor builds the system to cut out pressure typically 130 psi 8 96 bar 6 When cut out pres...

Страница 30: ...supply tank which triggers the compressor unload cycle Dedicated Purge Tank A separate air tank used exclusively for holding air used in an air drying cycle This tank eliminates the need for a regener...

Страница 31: ...trict the flow of air back from the supply tank to the air dryer 7 1 1 Operating Environment Table G Operating Parameters Operating Parameter Requirement Temperature ambient operating range 40 F to 17...

Страница 32: ...n time Normal running Two minutes maximum Occasional three times per day maximum Seven minutes Compressor unloaded time Minimum for purge cycle 20 seconds Maximum duty cycle Compressor on time total r...

Страница 33: ...33 Notes...

Страница 34: ...34 Notes...

Страница 35: ...35 Notes...

Страница 36: ...milestones in autonomous mobility and apply its extensive expertise to integrate the complex control and fail safe systems required to efficiently and safely govern vehicle dynamics at every stage of...

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