Tennant 1550, Manual

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MAINTENANCE
3--11
1550 Gas/LPG/Diesel MM283 (10--10)
5. Add hydraulic fluid until the level in the
reservoir is between the “ADD” and the
“FULL” range. Do not overfill.
NOTE: Do not overfill the hydraulic fluid reservoir.
As hydraulic fluid heats to its normal operating
temperature, it expands. Always allow for this
expansion when filling the hydraulic fluid reservoir.
6. Place the reservoir breather-filler cap
securely on the reservoir.
7. Close the access doors.
The reservoir has a built-in strainer outlet that
filters hydraulic fluid before it enters the system.
Replace the strainer after every 2400 hours of
operation.
HYDRAULIC FLUID RESERVOIR BREATHER
The hydraulic fluid reservoir is equipped with a
breather. The breather is built into the filler cap on
top of the reservoir. It maintains atmospheric
pressure in the reservoir. The breather should be
replaced after every 800 hours of operation.
HYDRAULIC FLUID FILTER
The hydraulic fluid filter is located in the engine
compartment. Replace the filter element after
every 1200 hours of operation or if the clogged
hydraulic filter light remains on. Check the
hydraulic fluid level and refill as needed.
TO REPLACE THE HYDRAULIC FLUID FILTER
ELEMENT
1. Park the machine on a flat surface, stop the
engine, and set the machine parking brake.
FOR SAFETY: Before Leaving Or
Servicing Machine; Stop On Level
Surface, Set Parking Brake, Turn Off
Machine And Remove Key.
2. Open the left side access doors.
3. Unthread and discard the hydraulic fluid filter
elements.
NOTE: Discard all hydraulic fluid drained from the
system. Drained hydraulic fluid may contain
foreign material harmful to the hydraulic system.
4. Apply a thin coat of hydraulic fluid to the seal
of the new hydraulic fluid filter element.
5. Thread and hand tighten the new hydraulic
fluid filter elements on the filter heads.
6. Operate the machine and check for leaks.
Correct any leaks found.
7. Check the hydraulic fluid reservoir level and
fill as required.
8. Close the access doors.
HYDRAULIC FLUID LEAKS
Hydraulic fluid escaping at high pressure from a
very small hole can be almost invisible and can
cause serious injuries. Use a piece of cardboard
or wood, rather than hands, to search for
suspected leaks.
A
C
B
00002
HYDRAULIC PIN HOLE LEAK
A. Cardboard
B. Pin Hole Leak
C. Magnifying Glass
If injured by escaping hydraulic fluid, see a doctor
at once. Serious infection or reaction can develop
if proper medical treatment is not administered
immediately.
FOR SAFETY: When Servicing Machine,
Use Cardboard To Locate Leaking
Hydraulic Fluid Under Pressure.