13
Installation
13
Notice: Read this Page Before Installation of the Compressor
This section pertains to the installation of the
air compressor, PTO, pump and other relat-
ed items. The instructions are intended as a
guide to assist you with particular installa-
tion. These instructions will provide only gen-
eral information.
Pump Assembly:
The pump assembly may either be installed
directly on the PTO or as an optional
method, may be driven by a driveline from
the PTO. Pump manufacturers provide
specific installation information for their
products and should be consulted if
questions arise. Note: A Dual or Tandem
Hydraulic Pump is recommended when
additional hydraulically operated equip-
ment are added to the hydraulic system.
PTO Assembly:
Check with the PTO manufactures
representative for specific instructions
regarding your particular make, model, and
year of vehicle. As some trucks may require
modification of the transmission cross
member and the exhaust system, the
manufacturer’s instructions should be
followed to insure proper installation of the
PTO.
Compressor Assembly:
Prepare the mounting location of the
compressor by locating and drilling four (4)
holes, 1/2” diameter as per the mounting
pattern of the air compressor base. Using
four (4) 3/8” x 1.25 GR-5 cap screws, 3/8”
flat washer, and 3/8” nyloc nut, secure the
compressor in place. The compressor is air
cooled, and must have a clean supply of
cooling air to the fan with minimum
restrictions. Adequate space must be
provided for proper circulation of air.
Electrical Connections:
From the air pressure switch there are two
(2) wires, red and black, running to the
outside of the compressor housing. Connect
the black wire to the vehicle frame or other
suitable ground. Mount a single throw
toggle switch in a convenient location and
connect the red wire from the compressor
to this switch. Connect the other switch
terminal to a fuse holder and then to a 12-
volt power supply. A third wire is required
from the air compressor switch when
connecting the speed control into the
system. (See drawing on next page)
Electric Speed Control:
An optional electric or electronic speed
control must be used to maintain proper
operating speed of the air compressor. The
engine speed control will automatically
increase from idle to preset speed when
engaged and decrease when disengaged.
FAN
GND
CPRSR
SPD CTRL
PRESSURE
SWITCH
LINE
MOTOR
HYDRAULIC
MANIFOLD
COMPRESSOR (12V INPUT)
GROUND
SPEED CONTROL
C
B
A
C
B
A
Component Installation
Chapter 5 - Installation
Summary of Contents for SRS-40
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