Diamond Air DA425EA User Manual - Page 6
Browse online or download pdf User Manual for Air Compressor Diamond Air DA425EA. Diamond Air DA425EA 20 pages. Underhood air compressor
Print PageDA425EA: 99900679:
19951003
2-1. GENERAL
This section pertains to the installation of the IMT
DA425EA compressor and related components.
Because installations will vary somewhat, dependent
on the chassis, it will describe the installation in
general terms only.
2-2. AIR COMPRESSOR
Each installation will differ dependent on the chassis
make, model, year of manufacture, and optional
equipment. Refer to the mounting kit for specific
information relating to your application.
2-3. UNDERDASH SWITCH
The installation kit will include the correct bracket
for the installation of the compressor, power switch
and the engine speed control. The bracket may
house switches for other functions, depending on the
total system.
1. Drill mounting holes in the underside of the dash.
It may be possible to utilize existing holes.
2. Install the switch, or switches, needed for your
installation.
3. Route the needed wiring harness to the rear of the
bracket and connect to the proper switches.
4. Securely fasten the assembled switch bracket to
the dash with bolts, nuts, and washers provided.
IF THE DASHBOARD IS PLASTIC, THE GROUND WIRE
MUST BE CONNECTED TO CHASSIS GROUND. THE
PLASTIC DASHBOARD IS NOT CONDUCTIVE AND
WILL NOT PROVIDE A GROUND.
5. Connect the positive side of the compressor
switch to the power switch. Connect the other side
of the switch to the underhood safety switch and the
indicator lamp.
6. Install the throttle cable mounting bracket to the
underside of the dash, near the switch bracket.
Install the cable and connect to the carburetor
linkage. Make certain that there is enough free play
to allow the engine to return to normal idle.
SECTION 2. INSTALLATION
NOTE
2-1
2-4. UNDERHOOD SWITCH
The purpose of the underhood switch is to prevent
the compressor from running unless the vehicle's
hood is raised. This will ensure sufficient air flow to
the compressor during operation.
1. Select a location for the mercury switch that will
provide protection for the glass envelope and keep
the switch contacts open when the hood is closed.
The mercury should not be in contact with the
contacts to accomplish this.
2. Drill a 1/16 inch hole in the desired location and
install the switch bracket. Install the switch in the
bracket. Connect one lead to the underdash switch,
the other to the compressor pressure switch. When
wired properly, the switch in the cab must be "ON"
and the hood must be raised in order for the
compressor to operate.
WARRANTY ON THE COMPRESSOR WILL BE VOID IF
THE UNDERHOOD SAFETY SWITCH IS NOT USED.
FAILURE TO USE THIS SWITCH WILL ALLOW THE
COMPRESSOR TO OPERATE WITH THE HOOD
CLOSED AND WILL CAUSE OVERHEATING.
CAUTION