LeeBoy 8616 - Changing the Hydraulic Oil; Changing the Hydraulic Oil Strainer

7
LeeBoy Model 8616 Conveyor Paver 7-23
Maintenance
Never let tank run dry. Pump damage
will occur.
9. Install the hydraulic oil reservoir ller cap onto the
reservoir ller neck and tighten securely.
10. Start the engine using the correct procedures given
in OPERATION section of this manual. Check the
hydraulic system for any leaks.
Do not use hands on any hydraulic
hose, tting or system component to check the
system for possible leaks. Serious personal injury
can result from an oil leak under high pressure. Oil
can be injected under the skin by high pressure.
Protect the eyes by wearing safety glasses.
Stop the engine immediately if any
hydraulic leak is noted. Do not start the engine until
any problem noted has been corrected.
Changing The Hydraulic Oil
Strainer
The oil strainer is mounted in the oil ller opening under
the ller cap.
Do not remove the hydraulic oil cap
from the reservoir when it is hot. Hot hydraulic oil can
cause serious personal injury. Allow hydraulic oil to
cool down to a warm temperature .
1. Remove the hydraulic oil ller cap.
2. Remove the three screws securing the strainer,
then remove the strainer and the gasket.
3. Install the new element. Place the spring in the head.
4. Fill the hydraulic oil reservoir with the correct,
ltered hydraulic oil until proper level is in sight
gauge before ll cover is placed on.
Do not overll the hydraulic oil
reservoir with oil.
5. Check the oil level in the hydraulic oil reservoir
again. Add oil if needed.
6. Install the hydraulic oil reservoir ller cap onto the
reservoir ller neck and tighten securely.
Changing The Hydraulic Oil
Changing the hydraulic oil removes the accumulation
of dirt, water and mechanical wear particles from
the hydraulic oil reservoir and system. The chemical
structure of the hydraulic oil also changes after
continuous use in the system and new, clean, and
ltered oil is a must to help insure further correct
operation of the hydraulic system.
Hydraulic oil which has oxidized or
which contains contamination, of any type, can
shorten the expected service life of any, or all, of the
components in the hydraulic system.
Use the following procedures to change the hydraulic oil
in the hydraulic oil tank:
1. Stop the engine. Allow the hydraulic oil to cool, until
it is at a warm temperature only.
2. Slowly loosen, and then remove, the hydraulic oil
reservoir ller cap (Figure 10-10,9).
3. Put a CLEAN, lint free cloth over the reservoir ll
tube opening and secure in place with tape.
Do not drain the hydraulic oil from the
reservoir when it is hot. Hot hydraulic oil can cause
serious personal injury. Drain at a warm temperature
only.
NOTE: All reservoir tanks together plus hoses hold
approximately 41 gallons.
4. Carefully remove the plugs from the hydraulic
tanks. Use a drain collection device, of sufcient
capacity to collect the hydraulic oil. Allow all of the
hydraulic oil to drain from the reservoirs and into the
container.
Do not ll the hydraulic oil reservoir
with new hydraulic oil until the strainer has been
serviced.
5. Install the hydraulic oil reservoir drain plug, and
tighten securely.
6. Carefully remove the cloth from the hydraulic oil
reservoir ll tube opening.
7. Remove the strainer on the tank.
8. Fill hydraulic oil tank with the correct, ltered
hydraulic oil until tank is full.
Do not overll the hydraulic oil
reservoir with oil.
NOTE: Cold oil level should be about 1/2” to 3/4” below
full level on sight gauge.
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