88 MAINTENANCE OF THE BACKHOE
MAINTENANCE OF THE BACKHOE
DAILY CHECKS
To avoid personal injury:
A Never make any repairs, service or
adjustments when the hydraulic system is
under pressure, when the engine is running or
when any backhoe cylinder is under load.
A Escaping hydraulic fluid under pressure can
have sufficient force to penetrate skin, causing
serious personal injury. Before disconnecting
lines, be sure to relieve all pressure. Before
applying pressure to system, be sure all
connections are tight and that lines, pipes and
hoses are not damaged.
Fluid escaping from a very small hole can be
almost invisible. Do not use hands to search
for suspected leak, use a piece of cardboard or
wood. If injured by escaping fluid, see a doctor
at once. Serious infection or allergic reaction
will develop if proper medical treatment is not
administered immediately.
1. The backhoe is run by the tractor hydraulic system.
Daily before operation, check the tractor hydraulic
level. If low, replenish the oil as described in
"MAINTENANCE OF THE TRACTOR" section. Also
check the filter screen and change the hydraulic fluid
as recommended in "MAINTENANCE OF THE
TRACTOR" section.
2. Check all hardware before daily operation. Tighten
hardware to torque values as specified in the "General
torque specification".
3. With the engine off and the bucket on the ground,
inspect all hoses for cuts or wear. Check for signs of
leaks and make sure all fittings are tight.
4. For safe operation, check that the mounting pin slide
bar is inserted into the hole of the main frame before
operation.
(1) Hydraulic line
(2) Cardboard
(3) Magnifying glass
(1) Oil port
(2) Dipstick
(1) Mounting pin
(2) Slide bar
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