MAINTENANCE 4
23
4.11 HYDRAULIC OIL ___________________________________________________________
Refer to
Section 6.3
for specific maintenance intervals.
The hydraulic reservoir on this machine is filled with
Jacobsen Greens Care 68 Biodegradable fluid.
Drain and replace the hydraulic oil after a major component
failure, or if you notice the presence of water or foam in the
oil, or a rancid odor (indicating excessive heat).
Always replace the hydraulic filter when changing oil.
To change hydraulic oil:
1.
Clean the area around the oil cap to prevent impurities
from entering and contaminating the system.
a.
Oil temperature should be at 60° to 90°F (16° -
32°C). Do not check oil level when oil is hot.
b.
The hydraulic oil level should never fall below the
lower line on the dipstick or be above the top line on
dipstick.
2.
Remove drain plug from bottom of tank and loosen or
remove breather cap on top of tank. Check and clean
the breather cap, replace as necessary.
3.
After oil has drained install drain plug and fill with
Jacobsen GreensCare 68 Biodegradable Fluid.
4.
Purge air from system.
a.
Operate all mower functions for about 5 minutes to
purge air out of the system and stabilize the oil
level.
b.
Once the level has stabilized and the air is purged,
fill the tank to the full mark on dipstick.
4.12 HYDRAULIC OIL FILTERS ___________________________________________________
The hydraulic system is protected by two 10 micron filters.
To replace hydraulic oil filter:
1.
Remove the old filters.
2.
Fill new filter with oil then install new filter. Hand tighten
only.
3.
Operate engine at idle speed with hydraulic system in
neutral for five minutes.
4.
Check hydraulic oil level in reservoir and fill to full mark
on dipstick.
4.13 ELECTRICAL SYSTEM _____________________________________________________
General precautions that can be taken to reduce electrical
problems are listed below.
1.
Make certain all terminals and connections are clean
and properly secured.
2.
Check the operator backup system, fuses, and circuit
breakers regularly.
If the operator backup does not function properly and
the problem cannot be corrected, contact an authorized
Jacobsen Dealer.
3.
Keep the wire harness and all individual wires away
from moving parts to prevent damage.
4.
Make sure the seat switch harness is connected to the
main wire harness.
5.
Check the battery and battery charging circuit.
6.
Do not wash or pressure spray around electrical
connections and components.
CAUTION
Always turn the ignition switch off and remove the
negative battery cable (BLACK) before inspecting or
working on the electrical system.
!
