Generac Power Systems MAC400HC, Owner'S Manual

2

Owner’s Manual for Flameless Heat Cart

Introduction and Safety

General Hazards

Explosion and Fire Hazards

Asphyxiation. Running engines produce 
carbon monoxide, a colorless, odorless, 
poisonous gas. Carbon monoxide, if not 
avoided, will result in death or serious injury.

(000103)

DANGER

DANGER

(000239)

Hydraulic Fluid Injection. High-pressure, high-temperature
hydraulic fluid can pierce skin and cause severe burns. Do not 

check for leaks with hands. Seek immediate medical attention in case of 
accident. Failure to protect body accordingly will result in death or serious
injury.

(000107)

WARNING

Hearing Loss. Hearing protection is 
recommended when using this machine. 
Failure to wear hearing protection could 
result in permanant hearing loss.

(000111)

WARNING

Moving Parts. Keep clothing, hair, and 
appendages away from moving parts. Failure 
to do so could result in death or serious injury.

(000108)

WARNING

Hot Surfaces. When operating machine, do not 
touch hot surfaces. Keep machine away from 
combustibles during use. Hot surfaces could 
result in severe burns or fire.

(000377)

WARNING

Vision loss. Eye protection is required when 
servicing unit. Failure to do so could result in 
vision loss or serious injury.

CAUTION

(000229)

Equipment or property damage. Do not block air 
intake or restrict proper air flow. Doing so could 
result in unsafe operation or damage to unit.

CAUTION

(000240a)

Unit damage. Do not stop engine before heating
unit is cooled. Doing so could result in unit damage.

CAUTION

(000246)

Equipment Damage. The emergency stop switch is 
not to be used to power down the unit under normal 
operating circumstances. Doing so will result in 
equipment damage.

(000105)

DANGER

Explosion and Fire. Fuel and vapors are 
extremely flammable and explosive. Add fuel 
in a well ventilated area. Keep fire and spark 
away. Failure to do so will result in death 
or serious injury.

(000143)

DANGER

Explosion and Fire. Fuel and vapors are extremely 
flammable and explosive. Store fuel in a well  
ventilated area. Keep fire and spark away. Failure 
to do so will result in death or serious injury. 

(000214)

DANGER

Explosion and Fire. Do not fill fuel tank past full line. 
Allow for fuel expansion. Overfilling may cause fuel 
to spill onto engine causing fire or explosion, which 
will result in death or serious injury.

(000147)

WARNING

Risk of Fire. Unit must be positioned in a
manner that prevents combustible material
accumulation underneath. Failure to do so
could result in death or serious injury.

WARNING

Fire risk. Fuel and vapors are extremely 
flammable. Do not operate indoors. Doing so 
could result in death, serious injury, or 
property or equipment damage.

(000281)