Mount Kits And Compressors; Introduction; Installation - Carrier Transport Air Conditioning Installation Procedures Manual

6.1 INTRODUCTION

Carrier transport Air Conditioning offers a wide range of
compressors and corresponding mount kits for most
engine-chassis combinations. Carrier Transport Air
Conditioning mount kits are engineered to allow precise
alignment and belt tensioning adjustments.
The mount and drive kit normally will contain the
mounts, hardware, pulleys, belts, idlers, etc. necessary
to safely mount the compressor to the bus engine.
Read and follow the installation instructions supplied
with each mount kit. Always check the Rev. number on
the drawing to determine if there have been any
changes to the mount kit since your last installation.
Minor modifications are occasionally necessary and are
considered part of the installation process. These
mount and drive kits are designed to fit vehicles with
standard equipment. The addition of special or optional
equipment may interfere with the normal installation.
It is important that the compressor have a solid mount
with no stress. The spacing between the compressor
mounting ears and the compressor mount may vary
slightly due to the manufacturing tolerances. Use shims
to close any gap between the compressor ears and
mount, before tightening the compressor mounting
bolts.
Always check pulley and belt alignment and shim as
necessary. Failure to align can cause premature wear,
belt squeal, and vibration. Use a straight edge to deter-
mine proper pulley and belt alignment before securing
the mounting hardware (Refer to paragraph 6.3).
Always torque to the specifications noted on each
mount kit installation instructions. Refer to Figure 6-2
through Figure 6-3 for torque specifications not noted
on the installation drawing.
When a non-permanent or permanent thread-lock is
supplied with the mount kit, use where and how speci-
fied per the mount kit installation instructions.
Some installations may require a slight modification or
rearrangement of the radiator mounting, turbo tubes,
fuel lines, reservoirs, water lines, harnesses, or the oil fill
tube for proper clearance.
On some applications it may be necessary to install the
refrigerant hose and fittings to the auxiliary compressor
before mounting and securing.
SECTION 6

MOUNT KITS AND COMPRESSORS

6--1
If system is a "Tie-In" to factory dash air, the refrigerant
must be removed with an EPA approved recovery ma-
chine. This recovered refrigerant should then be re-
cycled and reused.
When the OEM radiator condenser is discon-
nected (not used), it is recommended by Carrier
Transport Air Conditioning that it be removed
from the vehicle.
Following established mount and drive installation pro-
cedures will enure proper belt alignment and tensioning,
which in turn will promote long belt life and optimum sys-
tem performance.

6.2 INSTALLATION

Utilize the following procedures when installing a Carrier
Transport Air Conditioning mount kit and compressor:
a. Unpack and inspect components for damage.
b. Insure the mount kit will fit the engine assembly.
c. Lay out all brackets, pulleys, hardware, etc. and iden-
tify using the enclosed packing list.
d. If alterations to engine heater hose is necessary,
drain coolant. Save coolant for later use.
e. Disconnect negative battery cable.
f. Follow the mount kit sequence instructions when
installing the weldments, brackets, etc., making sure
all bolts are tight, and the correct washers are used.
g. Use thread-lock whenever noted, and torque bolts to
specifications listed on drawing. Refer to Figure 6-2
through Figure 6-3 for torque specifications not noted
on the installation drawing.
Never substitute the graded hardware that is
supplied with the mount kit.
Never use an air impact tool to tighten bolts on a
mount or compressor. Use a torque wrench.
Always use every bracket, support, and stiffen-
er furnished with the kit.
Note
Note
Note
Note
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