6.5 Hydraulic System Operation
A hydraulic system is a closed-loop system that uses
pressurized automatic transmission fluid (ATF) to provide power
to devices. For example, the winch motor and push-block
cylinder.
6.5.1 Hydraulic System Safety
•
Make sure that all hydraulic system components are kept
clean and in good condition.
•
Relieve pressure on the hydraulic system before working
with it. The hydraulic system operates under extremely high
pressure.
•
Before applying pressure to the hydraulic system, make
sure that all the connections are tight, and the hoses and
fittings are not damaged.
•
Immediately replace any hydraulic hose that shows signs
of swelling, wear, leaks, or damage. A swollen, worn,
damaged, or leaking hose can burst and cause a hazardous
and unsafe condition.
For more information, see
Hydraulic Hose Specifications on
•
High-pressure hydraulic oil leaks:
-
Do not use your hand to check
for hydraulic oil leaks. Hydraulic
fluid escaping under pressure can
penetrate the skin causing serious
injury or death. Use a piece of
cardboard or wood to check for
leaks.
-
Wear the correct hand and eye
protection when searching for a
high-pressure hydraulic leak.
-
Seek medical attention immediately if injured by a
concentrated high-pressure stream of hydraulic fluid.
Serious infection or toxic reaction can develop after
hydraulic fluid pierces the skin's surface.
•
Do not attempt any makeshift repairs to the hydraulic hoses
or fittings. Do not use tape, clamps, or cements to attempt
a repair. Doing so can cause sudden failure and create a
hazardous and unsafe condition.
•
Do not bend or strike high-pressure hoses or reinstall them
in a bent or damaged condition.
•
Make sure that hydraulic hoses are routed correctly to
avoid chafing.
•
Never adjust a pressure relief valve or other pressure-
limiting device to a pressure that is higher than the
specified rating.
6.5.2 Check the Hydraulic Fluid Level
IMPORTANT! Do not operate the machine if the hydraulic
fluid level is low. Damage to the pump and other
components can occur.
Do not fill the hydraulic-fluid reservoir higher than the fill
level indicated on the dipstick.
IMPORTANT! Inspect the hydraulic fluid quality every
50 hours. If the fluid is dirty or smells burnt, replace it.
IMPORTANT! Be aware of high fluid temperatures.
Temperatures higher than 180 °F (82 °C) could cause seal
damage and degrade the hydraulic fluid quality.
Check the hydraulic fluid level daily, after changing the filter,
and after servicing hydraulic components.
The fluid-level
dipstick is on the bottom of the fill cap. For more information,
see
.
1.
Park the machine on level ground.
2.
Set the machine to a safe condition.
For instructions, see
.
3.
Turn the hydraulic-fluid fill cap counterclockwise to remove
it.
4.
Wipe the dipstick clean.
5.
Fully reinsert the dipstick in the reservoir.
6.
Remove the dipstick and check the fluid level. The fluid
level is correct when fluid is visible on the dipstick from the
end to the full (upper) mark.
7.
Do one of the following:
-
If the fluid level is correct, install and secure the fill cap.
-
If the fluid level is low, add fluid until the fluid-level
is at the full (upper) mark. For instructions, see
Hydraulic Fluid to the Reservoir on page 31
.
Operating Instructions
WP525
Firewood Processor
30
Содержание WP525
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