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9
mAinTenAnCe
Before performing any maintenance, ALWAYS
park the machine on a level surface with the
Engine OFF and the Engine Start Switch in
the "0" (OFF) position.
After each use: CleAn the machine.
lUBRiCATion:
enGine oil: Check daily. Change Engine Oil and Oil
Filter after every 100 HOURS of operation. See engine
manual for oil type to use. 15W40 CD, CE is generally
recommended. Capacity is 8.5 quarts (8 liters) with
filter (11D). Fill oil level to upper mark on dipstick.
lubricate every 50 hours:
• Front Wheel Bearing
• Pivot Pin at rear of raising frame.
HYDRAUliC SYSTem:
• Refer to Section 12 - "Hydraulic System"
enGine GeARBoX (10A):
• Change oil after every 500 hours of operation. Use
SAE 75W90 synthetic gear lubricant.
CoolinG SYSTem:
The engine cooling fluid is antifreeze. The Radiator is
an Air/Water heat exchange.
• Clean the Radiator Air Filter Element every 50 hours
or when required, replace if damaged. Always keep
Radiator Air Filter Element in place.
• Check hoses for damage and looseness. Tighten or
replace as required.
AiR FilTeR:
• Clean the Air Filter Outer Element when the Restriction
Indicator Red Signal appears. Do noT clean the Inner
Safety Element!
To Change The Air Filter Element:
• Remove the Air Filter Housing by opening the two
(2) Air Filter Housing Clamps, and pulling the
housing off.
• Pull the Air Filter Outer Element out of the filter
housing and replace, or clean by using low pressure
compressed air [2.75 bar (40 psi - MAX)] from the
inside out. Do noT clean the filter element by tapping
it on the ground or other objects, this will damage the
filter element!
• Install Air Filter Outer Element by pushing it into
the housing.
• Install the Air Filter Housing and close the two (2) Air
Filter Housing Clamps.
34
The two (2) Air Filter Housing Clamps can NOT
be closed unless the Air Filter Outer Element is
properly installed.
• Replace the Inner Safety Element (6D) twice per year
or if it becomes damaged.
• Replace any damaged filters or gaskets.
• Check air hose and clamps for damage or looseness.
Tighten or replace as required.
FUel FilTeR:
• Replace In-Line Fuel Filter every 300 hours.
• Replace Spin-On Fuel Filter every 500 hours.
10
BlADeSHAFT V-BelT TenSion
(See Fig. 1, 4 and 5)
This saw is equipped with high tension banded V-belts.
The belts are properly tensioned at the factory but
after a few hours of operation they will stretch and
become loose.
To Tension V-belts:
• Turn Engine Start Switch (1I) to the "0" (OFF)
position.
• Using the Blade Shaft Wrench, loosen the horizontal
clamping bolts (10F) at the front of the machine.
• Turn each of the two (2) vertical Tensioning Bolts (10E)
[at the front of machine, below the Gear Box (10A)]
CLOCKWISE until the V-Belts (10B) are tight.
• Replace V-Belts (10B) in complete sets only.
• For optimum V-Belt tension use Goodyear TensionRite™
Strips, P/N 191368. TensionRite™ Strips are supplied
with belts purchased from Husqvarna.
Never tension V-Belts beyond the original
factory tension. Loose V-Belts result in poor
saw performance and short belt life.
• Apply TensionRite™ Adhesive Strip (4S) to all
three belts in the center of the span as indicated on
the instructions.
• Using a Wrench, Rotate jackbolt COUNTER-
CLOCKWISE until the Yellow indicator line on the
TensionRite™ Strip lines up with the appropriate
number for used belts.
RS8500D
Tension # 2.6
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