SCREW-HEX HEAD 4163973 - Caterpillar

(1) Universal Warning
Do not operate or work on this equipment unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in serious injury or death.
Illustration 1 g01154807
Typical example
The Universal Warning label (2) is located on the rear end of the valve mechanism cover. Refer to illustration 2.
Illustration 2 g01353108
(1) Ether Warning Label
(2) Universal warning (2) Ether
Do not use aerosol types of starting aids such as ether. Such use could result in an explosion and personal injury.
Illustration 3 g01154809
Typical example
The ether warning label (1) is located on the inlet manifold cover. Refer to illustration 2.