A-3
Maintenance plan
for heaters of type Thermo, Thermo E, Thermo S and Thermo
plus in buses und railway vehicles
7. Functional check
a) If available, open shut-off valve of the fuel return line and
water line.
b) Check fault memory, clear it as needed using the diagnostic
tool (STT).
c) Check heater functionality.
Attention:
During the maintenance, check all screw connections for tight-
ness (for corresponding torque values see Workshop Manual).
after at least 10 min
heater operation
Summary of Contents for spheros thermo 230
Page 70: ...memos...
