Maintenance Schedule
Maintenance Schedule
Maintenance Schedule
Maintenance Schedule
WP 07 05 06 18
WP 07 05 06 18
WP 07 05 06 18
WP 07 05 06 18
Page 1 of 2
Title:
Maintenance Schedule Bus
Maintenance Schedule Bus
Maintenance Schedule Bus
Maintenance Schedule Bus –
––
– HLK
HLK
HLK
HLK---- total system
total system
total system
total system
Date: 11.11.2009
Valid for:
Maintenance staff
Maintenance staff
Maintenance staff
Maintenance staff
file: WP07050618-R02 Wartung Bus englisch
WP07050618-R02 Wartung Bus englisch
Item:
Item:
Item:
Item:
Maintenance
Maintenance
Maintenance
Maintenance---- / Repair Features
/ Repair Features
/ Repair Features
/ Repair Features
Test parameter / settings
Test parameter / settings
Test parameter / settings
Test parameter / settings
Comments
Comments
Comments
Comments
Maintenance Intervals
Maintenance Intervals
Maintenance Intervals
Maintenance Intervals
WK
WK
WK
WK
A
B
C
D
E
1.
1.
1.
1.
Check refrigerant status of the conditioning system (at
sight glass)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
2.
2.
2.
2.
Check oil filling of compressor (at sight glass)
After 10 min. running time the oil level
should be visible in the sight glass
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3.
3.
3.
3.
Check function of high pressure switch (HP)
OFF: 25.0 bar (+/-0,5) / ON: 18.0 bar (+0,5/-0,5)
OFF: 25,0 bar (+0/-1,2) / ON: 20,0 bar (+0,6/-0,6)
Only for EvoBus with Wabco-control
X
X
X
X
X
X
X
X
4.
4.
4.
4.
Check function of low pressure switch (LP)
OFF: 0,3 bar (+/-0,1) / ON: 2,1 bar (+/-0,2)
OFF: 0,2 bar (+0,1/-0,2) / ON: 0,4 bar
Only for EvoBus with Wabco-control
X
X
X
X
X
X
X
X
5.
5.
5.
5.
Exchange filter drier
And after every intervention in the
refrigeration circuit
X
X
X
X
X
X
X
X
6.
6.
6.
6.
Check if condenser and evaporator battery are dirty, if
necessary clean them
With compressed air only, not with high-pressure
cleaner!
X
X
X
X
X
X
X
X
X
X
X
X
7.
7.
7.
7.
Check refrigerant receiver
Visual inspection
Exchange in case of corrosion and
mechanical damage
X
X
X
X
X
X
X
X
8.
8.
8.
8.
Check all air filters for fouling, if necessary renew them
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9.
9.
9.
9.
Check function of air flaps
X
X
X
X
X
X
X
X
10.
10.
10.
10.
Check function of all condenser fans
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
11.
11.
11.
11.
Check function of all evaporator blowers
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
12.
12.
12.
12.
Check all condensate drains
Lip valves should be in stock
X
X
X
X
X
X
X
X
13.
13.
13.
13.
Check all air-conditioning conduits for fit and
impermeability
system pressure of 15 bar
Do not use any contrast medium
X
X
X
X
X
X
X
X
14.
14.
14.
14.
Check all heating conduits for fit and impermeability
X
X
X
X
X
X
X
X
15.
15.
15.
15.
Check all water valves for function and impermeability
X
X
X
X
X
X
X
X
