42
Installation - Refrigeration Hoses to Vehicle’s Compressor
IMPORTANT: All hose bends must maintain at least minimum bend radii with no kinks. See “Minimum Bend Radii” on page 35.
Connections at Refrigeration Module
1. Discharge Line
• Install 90° ORS fitting onto #8 hose.
• Install O-ring and attach ORS fitting onto oil separator fitting.
• Route hose down to vehicle’s compressor.
• See “Connections at compressor” on page 42.
2. Suction Line
• Install 90° ORS fitting onto #16 hose.
• Install O-ring and attach ORS fitting onto manifold fitting C
and
tighten securely.
IMPORTANT: The suction line for the compressor must be attached
only to
manifold fitting C or severe damage to the compressor will
result!
• Route hose down through the access hole to compressor.
• See “Connections at compressor” on page 42.
Connections at compressor
The refrigeration hoses must be routed from the cargo box, along the
vehicle’s chassis to the engine compartment and compressor while
maintaining the minimum bend radii.
See “Minimum Bend Radii” on
page 35. The hoses a should be secured adequately to prevent rubbing or
chafing against hot, sharp or moving components.
1. Install a 90° ORS fitting onto the #16 suction hose and 90° ORS fitting
onto the discharge hose.
• Place an O-ring on each fitting.
• Lubricate the compressor refrigeration fittings and O-rings with
refrigerant oil.
2. Locate your model unit on the chart and add the proper amount of
compressor oil directly into the suction hose.
3. Provide an oil trap and connect the SUCTION hose fitting onto the
compressor fitting marked S.
4. Connect the DISCHARGE hose fitting onto the compressor fitting
marked D.
5. Use two wrenches and tighten refrigeration hose fittings.
6. Mount the liquid injection switch onto the compressor discharge fitting.
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