BEFORE PLACING VEHICLE IN SERVICE
3-8 / Equipment, Accessories, and Adjustments
© 2020 Pierce Manufacturing Inc. All Rights Reserved.
3-6.2 Drilling Holes or Welding
The drilling of holes or welding to any structural components of the aerial is not permitted. Non-structural sheet metal
components may be modified. If in doubt, contact Pierce Manufacturing Inc. for approval and assistance. Pierce
Manufacturing Inc. is not responsible for structural failures or corrosion caused by unauthorized modifications to the
aerial device.
3-6.3 Dissimilar Metal Corrosion
Galvanic corrosion can occur when two different types of metals are in contact with each other and exposed to
moisture. This type of corrosion can happen rapidly, leading to possible failure of the mounting, fastener, or base
materials. When mounting aftermarket equipment on the vehicle, consider the types of metals of the equipment,
base, and fasteners. Take precautions to prevent contact between different metal types. Refer to “Preventing
Dissimilar Metal Corrosion” on page B-6 for more information on proper prevention of galvanic corrosion.
3-7. Radio Equipment
Refer to the “Mobile Radio Installation Guide” on page A-1 for information concerning radio installation in a Pierce
fire apparatus.
3-7.1 Cab Exterior Equipment
Avoid mounting hose or equipment in a manner that blocks airflow to the grill. Large items blocking air to the grill
may degrade cooling performance and cause the engine to over-heat during heavy use and high ambient
temperatures. Logos, letters, numbers, or placards should not be attached to the radiator grill. Numbers, letters,
flags, etc., that are painted on the grill are acceptable.
When mounting equipment to the bumper deck plate of a tilt cab model, consider the motion of the cab when tilting
to avoid interference in the tilted condition.
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