LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> General Information >> OEM General Information >> Emergency Equipment, Disability Equipment, Sanitary Equipment, Galley - 222 Chassis >> Maintenance >> Check Emergency Fresh Air System - AP86.10-P-8654A

Check Emergency Fresh Air System - AP86.10-P-8654A

Model 222 

with code Z07 (B7 armoring on special protection version) 

with code Z25 (Emergency fresh-air system) 

Shown on model 222.176 

G15359839Courtesy of MERCEDES-BENZ USA
G15359840Courtesy of MERCEDES-BENZ USA

Shown on model 222.176 

DANGER Risk of death  caused by flying parts if pressurized gas cylinders or their valves are damaged. Risk of injury  of body parts caused by "breathing gas" streaming out or by coming into contact with components near the valve.
Risk of injury  of skin and body parts caused by "breathing gas" streaming out under high pressure
Work may only be done by instructed personnel. Wear protective clothing, hearing protection, safety gloves, safety glasses and face mask. AS86.10-Z-0001-01A 
Topical note  Notes on preventing damage to emergency fresh air system of special protection vehicles.   AH86.10-P-0002-01A 
  Preparatory activity     
1 Open engine hood and trunk lid    
2 Open trunk floor (2)    
INSPECT Check     
3 Check irritant gas sensor (1) for correct seating, cracks, deformation and soiling If complaint present

Rectify problem subject to separate repair order.
 
4 Check manufacture date of emergency fresh air system gas bottle (3) If the emergency fresh air system gas bottle (3) is older than 10 years.

Replace emergency fresh air system gas bottle (3) subject to separate repair order.
 
5 Read off reservoir pressure on emergency fresh air system gas bottle (3) FLUID SPECIFICATION Model 222 with code Z07 (B7 armoring on special protection version) with code Z25 (Emergency fresh-air system) Reservoir pressure
If complaint present

Rectify problem subject to separate repair order.
*BF86.10-P-1001-01A 
6 Check visible systems, components, lines, hoses of emergency fresh air system for damage, routing, leaks, correct mounting and corrosion If complaint present

Rectify problem subject to separate repair order.
 
7 Carry out self-test of emergency fresh-air system If complaint present

Rectify problem subject to separate repair order.
AP86.10-P-8654-03A 
  Finishing activity     
8 Close trunk floor (2)    
9 Close engine hood and trunk lid    
EMERGENCY FRESH-AIR SYSTEM PRESSURIZED GAS CYLINDERS

Number Designation Model 222 with code Z07 (B7 armoring on special protection version) with code Z25 (Emergency fresh-air system)
BF86.10-P-1001-01A Reservoir pressure New reservoir pressure bar 300...317
Minimum reservoir pressure at service bar 270
Replacement at reservoir pressure bar <250