Perkins 904D-E28T Operation And Maintenance Manual page 11

M0108133-04
Engine exhaust contains products of combustion
which may be harmful to your health. Always start the
engine and operate the engine in a well-ventilated
area. If the engine is in an enclosed area, vent the
engine exhaust to the outside.
To help prevent spraying or splashing of pressurized
fluids, hold a rag over the part that is being removed.
Remove the following parts with caution.
• Filler caps
• Grease fittings
• Pressure taps
• Breathers
• Drain plugs
Use caution when cover plates are removed.
Gradually loosen, but do not remove the last two
bolts or nuts that are at opposite ends of the cover
plate or the device. Before removing the last two
bolts or nuts, pry the cover loose to relieve any spring
pressure or other pressure.
Illustration 7
• Wear a hard hat, protective glasses, and other
protective equipment, as required.
• Perkins recommend that you do not stand next to
an exposed running engine unless it is necessary
when carrying out daily checks or maintenance
procedures. The appropriate Personal Protective
Equipment (PPE) must be worn when standing
next to an exposed running engine.
• Do not wear loose clothing or jewelry that can
snag on controls or on other parts of the engine.
• Ensure that all protective guards and all covers
are secured in place on the engine.
• Never put maintenance fluids into glass
containers. Glass containers can break.
• Use all cleaning solutions with care.
• Report all necessary repairs.
Unless other instructions are provided, perform
the maintenance under the following conditions:
• The engine is stopped. Ensure that the engine
cannot be started.
• Disconnect the batteries when maintenance is
performed or when the electrical system is
serviced. Disconnect the battery ground leads.
Tape the leads to help prevent sparks.
• Do not attempt any repairs that are not
understood. Use the proper tools. Replace any
equipment that is damaged or repair the
equipment.
Pressurized Air and Water
Pressurized air and/or water can cause debris and/or
hot water to be blown out. This action could result in
personal injury.
When pressurized air and/or pressurized water is
used for cleaning, wear protective clothing, protective
shoes, and eye protection. Eye protection includes
goggles or a protective face shield.
The maximum air pressure for cleaning purposes
must be below 205 kPa (30 psi). The maximum
water pressure for cleaning purposes must be below
275 kPa (40 psi).
Fluid Penetration
Pressure can be trapped in the hydraulic circuit long
after the engine has been stopped. The pressure can
cause hydraulic fluid or items such as pipe plugs to
escape rapidly if the pressure is not relieved
correctly.
Do not remove any hydraulic components or parts
g00702020
until pressure has been relieved or personal injury
may occur. Do not disassemble any hydraulic
components or parts until pressure has been relieved
or personal injury may occur. Refer to the OEM
information for any procedures that are required to
relieve the hydraulic pressure.
Safety Section
General Hazard Information
11