Maintenance - PREVOST H3-41 Maintenance Manual

4.2

MAINTENANCE

MAINTENANCE
Air tanks
A recommended purge using the bottom drain
valve should be done at the intervals specified by
the Lubrication And Servicing Schedule in
Section 24: LUBRICATION & SERVICING.
It is important to empty the tanks completely to
ensure that water and moisture are totally
evacuated from the tank.
FIGURE 2: INDEPENDENT SUSPENSION AIR TANKS LOCATIONS (SHOWN WITH VIP EXPANSION TANKS)
FIGURE 3: I-BEAM AXLE SUSPENSION AIR TANKS LOCATIONS (TYPICAL WITH VIP EXPANSION TANKS)
SECTION 12: BRAKE AND AIR SYSTEM
Ensure that both the accessories and the wet air
tanks are purged during pre-starting inspection.
In addition, it is good practice to purge these
following the information below.
PA1621 Maintenance Manual All Series | Revised June 2020 9