PREVOST H3-41 Maintenance Manual page 999

Manual Activation Switch
o Verify that the tamper seal is intact and
access to the switch is unobstructed.
Fire Detectors
o Optical
 Verify that the status lamp on the detec-
tor face is on solid green.
 Verify that nothing is blocking the detec-
tor's field of view.
Verify that the windows on the face of

the detector are free of excess contami-
nation (dirt, oil, grease, etc.) – if neces-
sary, clean using a water soaked non-
abrasive towel.
o Linear Thermal
Verify that there is no obvious physical

damage and that the unit is free of ex-
cess contamination (dirt, oil, grease,
etc.) – if necessary, clean using a water
soaked non-abrasive towel.
 Verify that mounting is secure and
taught.
Electrical Harness
o Verify that electrical connectors and electrical
wiring have no visible damage and all con-
nectors are securely seated.
Extinguisher & Distribution System
o Verify that the extinguisher pressure gauge
pointer is in the green arc at room tempera-
ture.
o Verify that distribution piping and nozzles are
intact and unobstructed and that nozzle blow-
off caps are in place.
EVERY 18000 MILES OR SEMI-ANNUALLY
(whichever comes first)
o Perform a comprehensive fire system test
using a Kidde Dual Spectrum System Test
Set (Optical Test Kit P/N 420871-2).
o Service the extinguisher in accordance with
KDS Document
Engineered Fire Suppression System: Instal-
lation, Operation and Maintenance Manual".
160296, "KDS Pre-
SECTION 23A: ACCESSORIES - H3 SERIES
MAINTENANCE
EVERY SIX YEARS
Have the fire extinguisher rebuilt by a qualified
fire protection equipment company familiar with
Kidde Dual Spectrum equipment and in accord-
ance with KDS Document 160296, "KDS Pre-
Engineered Fire Suppression System: Installa-
tion, Operation and
Rebuilt shall include actuator, O-ring seals and
dry chemical replacement.
MAINTENANCE
EVERY TWELVE YEARS
Have the Extinguisher cylinder hydrostatically
tested by a qualified fire protection equipment
company familiar with Kidde Dual Spectrum
equipment and in accordance with KDS Docu-
ment 160296, "KDS
Suppression System: Installation, Operation and
Maintenance Manual".
13. TIRE PRESSURE MONITORING
SYSTEM (TPMS)
The optional active
temperature monitoring system is a sensing
device designed to identify and display tire
operating data and activate an alert or warning
when pressure or temperature irregularities are
detected.
For more information on the operation and
troubleshooting of the system, refer to the
Operator's Manual, chapters "Controls and
Instruments" and
Equipment".
14. ELECTRIC BRAKE CONTROL
SYSTEM FOR TRAILER
This optional feature is used to control the
braking system of a trailer equipped with electric
brakes. This system includes connector A40, a
RV type trailer connector already installed on the
trailer hitch, the VECT (Vehicle Electric Center
Trailer) and the necessary harnesses.
PA1621 Maintenance Manual All Series | Jan 2020
Maintenance Manual".
Pre-Engineered Fire
tire pressure and
"Safety Features and
33