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Curtis air conditioners feature an assembly of parts designed for your vehicle which require
adjustment and alignment of components to accommodate vehicle variations. For accurate
installation, proper operation, and years of satisfaction, please read and understand the
Service & Owner’s Manual fully prior to installing the air conditioner.
From all of us at Curtis, we thank you for choosing our product.
driver and passenger.
Curtis accessory weights are listed in product
add additional weight to the base vehicle. All
Curtis Cabs, blades and general accessories
ADDED
WEIGHT
brochures. Deduct the accessory's total weight
from the vehicle's rated capacity and never
exceed the vehicle's rated capacity including
Exposure to Carbon Monoxide can Cause illness, seri-
ous injury or death. Never operate vehicle if suspicious
of Carbon Monoxide. Inspect exhaust system for leaks
monthly. Leaks can result from loose connections, corro-
sion, cracks or other damage to the exhaust manifold. If
leaks are found, repair or replace exhaust system. Do not
use vehicle until repair or replacement is complete.
2. WARNINGS
HELPFUL HINTS:
• Read and understand all instructions before beginning.
• Apply a silicone sealant to seal any minor gaps that may occur due to vehicle variations.
• Use caution to avoid damaging installed threaded inserts or weld nuts. Begin the thread engagement by hand to avoid
or correct potential cross threading.
• Plastic washers have been supplied to provide a weather seal under the heads of some exterior bolts. The plastic
washer should be installed under each bolt head directly against the outside cab surface. Care should be taken not to
over tighten the fasteners and damage the plastic washer.
• Silicone, Epoxy, Cork Tape, industrial hot melt glue, high adhesion duct work tape are used in sealing air, water drains,
and preventing moisture build-up on internal components. Be sure to replace any of these sealants and/or fasteners
when servicing or replacing components. Failure to properly install these components can result in performance
degradation and damage to the components.
GENERAL INFORMATION BEFORE YOU START
California Health and Safety Proposition 65 Warning: This product may contain
chemicals known to the state of California to cause cancer and birth defects or other repro-
ductive harm.
Shock Hazard: Always disconnect the negative lead of the battery before servicing.
Disclaimer: Always discharge air conditioner refrigerant in accordance with all federal,
state, and local laws.
System evacuation and charging must only be performed by an EPA Part 609 certified technician,
using EPA certified refrigerant handling equipment suitable for R134a refrigerant. Both the technician
and equipment must meet all State, Local and Federal requirements. R134a refrigerant is under high
pressure and when released can cause severe bodily harm including from contact risk of localized
frost bite. Always wear proper personal safety equipment when working on refrigerant system includ-
ing safety glasses and gloves. Follow refrigerant recovery equipment manufacturer’s safety and oper-
ation guidelines for use of their equipment. Only perform service in a well ventilated area away from
contamination and sources of ignition. Never pressurize system with compressed air to perform a leak
check. R134a refrigerant can become flammable and could explode under certain conditions.
