Hoses And Clamps - Inspect/Replace; Fuel Storage Tanks; Replace The Hoses And The Clamps - Perkins XGA 1600 Series Operation And Maintenance Manual

82
Maintenance Section

Hoses and Clamps - Inspect/Replace

Check the fuel daily. Allow five minutes after the
fuel tank has been filled before draining water and
sediment from the fuel tank.
Fill the fuel tank after operating the engine in
order to drive out moist air. This will help prevent
condensation. Do not fill the tank to the top. The
fuel expands as the fuel gets warm. The tank may
overflow.
Some fuel tanks use supply pipes that allow water
and sediment to settle below the end of the fuel
supply pipe. Some fuel tanks use supply lines that
take fuel directly from the bottom of the tank. If
the engine is equipped with this system, regular
maintenance of the fuel system filter is important.

Fuel Storage Tanks

Drain the water and the sediment from the fuel
storage tank at the following intervals:
•
Service intervals
•
Refill of the tank
This will help prevent water or sediment from being
pumped from the storage tank into the engine fuel
tank.
If a bulk storage tank has been refilled or moved
recently, allow adequate time for the sediment to
settle before filling the engine fuel tank. Internal
baffles in the bulk storage tank will also help trap
sediment. Filtering fuel that is pumped from the
storage tank helps to ensure the quality of the fuel.
When possible, water separators should be used.
Hoses and Clamps -
Inspect/Replace
Inspect all hoses for leaks that are caused by the
following conditions:
•
Cracking
•
Softness
•
Loose clamps
Replace hoses that are cracked or soft. Tighten any
loose clamps.
Do not bend or strike high pressure lines. Do not in-
stall bent or damaged lines, tubes or hoses. Repair
any loose or damaged fuel and oil lines, tubes and
hoses. Leaks can cause fires. Inspect all lines, tubes
and hoses carefully. Tighten all connections to the rec-
ommended torque.
Check for the following conditions:
•
End fittings that are damaged or leaking
•
Outer covering that is chafed or cut
•
Exposed wire that is used for reinforcement
•
Outer covering that is ballooning locally
•
Flexible part of the hose that is kinked or crushed
•
Armoring that is embedded in the outer covering
A constant torque hose clamp can be used in place
of any standard hose clamp. Ensure that the constant
torque hose clamp is the same size as the standard
clamp.
Due to extreme temperature changes, the hose will
heat set. Heat setting causes hose clamps to loosen.
This can result in leaks. A constant torque hose
clamp will help to prevent loose hose clamps.
Each installation application can be different. The
differences depend on the following factors:
•
Type of hose
•
Type of fitting material
i02568190
•
Anticipated expansion and contraction of the hose
•
Anticipated expansion and contraction of the
fittings

Replace the Hoses and the Clamps

Pressurized System: Hot coolant can cause seri-
ous burns. To open the cooling system filler cap,
stop the engine and wait until the cooling system
components are cool. Loosen the cooling system
pressure cap slowly in order to relieve the pres-
sure.
1. Stop the engine. Allow the engine to cool.
SEBU8455
NOTICE