Passenger's Unit; Driver's Unit Air Filter - PREVOST H3-41 Maintenance Manual

FIGURE 16: CLEANING PASSENGER'S UNIT
CONDENSER COIL WITH LOW-PRESSURE AIR JET
3.2

DRIVER'S UNIT AIR FILTER

The driver's unit is located behind the R.H.
console panel. To gain access to the air filter,
unscrew the R.H. console's grill located in the
entrance stepwell. Remove the plastic cover and
slide out the recirculating air filter (
The driver's HVAC unit is located behind the
dashboard's R.H. side panel. To gain access to
the A/C filters, unscrew the grille located at the
top entrance step (Figure 17). Unscrew the
plastic cover and slide out the recirculating air
filter ( ). Doing so will give you access
FIGURE 18
to the fresh air filter (see item 18, Figure 76).
MAINTENANCE
Driver's unit return air filter
Clean or replace return air filter at the intervals
specified by the Lubrication And Servicing
Schedule in Section 24: LUBRICATION &
SERVICING.
To clean filter, back flush with water or soapy
water, then dry with air.
NOTE
If the windshield is continuously fogged, check
that :
The driver's unit fresh air filter is not clogged;
The fresh air damper (flapper door) is open,
i.e. the recirculation button on the HVAC
control unit is not engaged.
SECTION 22: HEATING AND AIR CONDITIONING
On H3 series vehicles, a fresh air intake filter is
located
assembly. Clean the steel wire screen as
required.
FIGURE 17: R.H CONSOLE AIR FILTER ACCESS GRILL
(COACHES)
22362
).
FIGURE 18
FIGURE 18: REMOVING DRIVER'S SECTION AIR
FILTERS
3.3
The passenger's unit 2-part air filter is located in
the evaporator compartment. To access the
filter, locate the access panel in the baggage
compartment at the left of the evaporator
compartment. Open panels by turning the three
screws of either panel ¼ of a turn (Figure 20),
unsnap both fasteners on top of filter, and slide
out filter (Figure 21).
PA1621 Maintenance Manual All Series | Revised February 2019
behind the
PASSENGER'S UNIT AIR FILTER – H3
SERIES
MAINTENANCE
Passenger's unit air filter
Clean or replace filter at the intervals specified
by the Lubrication And Servicing Schedule in
Section 24: LUBRICATION & SERVICING.
To clean filter, back flush with water or soapy
water, then dry with air.
R.H. side headlights
18505
21