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MAINTENANCE AND LUBRICATION
Gooseneck, Frame, And Deck
Repairing Structural Defects
If any structural defect is found, the fault must be
corrected before further use of the vehicle. To continue
usage could endanger the trailer, its load, personnel,
traffic, and properties. If any cracks or breaks are found,
contact the Landoll factory for repairs. Inspect the deck
daily for broken or missing planks or missing
attachments. Replace any defective parts promptly.
4-6
Hydraulic System
General
1. Check the oil level of the hydraulic power center
weekly, or after any leakage. See Table 4-1 for
proper hydraulic oil. Check the hydraulic oil level with
hydraulic cylinders in the retracted position and the
hydraulic pump disengaged. Enough volume in tank
(approximately 15 gallons) above hydraulic oil level
must be available to accept extra oil from cylinders
when retracted.
2. Overfilling can cause hydraulic fluid overflow during
operation.
3. Hydraulic system pressure relief valves should be set
at 2500 psi.
4. Check hoses weekly for cracks or leaks. If a valve or
line leaks, it should be replaced immediately.
Hydraulic Engine Package
The hydraulic engine package should be inspected
weekly to insure continued proper operation. The
inspection should include:
1. Check the hydraulic oil level weekly, or after any
leakage. See Table 4-1 for proper hydraulic oil. With
all hydraulic cylinders in the retracted position and
with the engine stopped, check the hydraulic oil level.
2. Check hoses weekly for cracks or leaks. If a valve or
line leaks, it should be replaced immediately.
3. Check the engine oil each time before using. Oil level
should be maintained between the "ADD" and "FULL"
marks on the oil dip stick. For further maintenance
procedures and proper lubrication specifications,
please refer to the engine owner's manual that was
supplied with the hydraulic engine package.
4. Replace hydraulic filter with new filter at least every 6
months or more often under adverse conditions.
5. Use the fuel recommended for the engine package
installed on you trailer.
F-618-0911 Edition
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