CAPITOL HY- 6900, Руководство по обслуживанию

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18
SECTION 4. PREVENTATIVE
MAINTENANCE
To insure a long service life of the Capitol
Marine gear and to prevent costly and
unexpected failures it is very important that
a regular maintenance schedule be
established and followed.
4.1 LUBRICANTS
Use oil-meeting requirements of MIL-L-
2104B or API SERVICE CLASS. SE/CC.
Series 3 oils are not recommended because
they may shorten clutch life.
Oil Capacity
(approximate, depending on cooler,
hoses etc.)
7.5 Gallons (28 liters)
Bring oil up to full mark on dipstick. Operate unit
in forward and reverse for several minutes. This
will fill cooler, clutch cylinders, pump hoses, etc.
Stop engine and add required oil to return level to
“full” mark on dipstick.
Oil pressure
Operating oil pressure must be at least 200-210
PSI at normal operating speed and maximum
operating temperature.
Pressure Adjustment
See fig. 13, p.11
Oil Temperature
Operating oil temperature range is 100º-150ºF
(38º-66ºC) at control valve. Unit will tolerate
higher temperatures but clutch life may be
shortened considerably.
4.2 ROUTINE MAINTENANCE
Oil Cooler Assembly
Check Zinc pencils in oil cooler ad change if
badly eroded. Check zinc pencils at
approximately every 400 hours of operation.
Check water tubes for obstructions at
approximately
every 2000 hours of operation
and flush if necessary.
Oil Filter
The oil filter element should be replaced every
400 hours of operation or at the same time oil is
changed.
Oil Breather
Remove oil breather every 400 hours of
operation or the same time oil is changed. Clean
diesel fuel can be used for flushing.
Pressure Gauge
Periodically check pressure gauge by substituting
a calibrated pressure gauge of known accuracy.
Visual Inspection
At frequent intervals check all oil lines, water
hoses, and connections for leaks. Tighten all
external bolts and connections and visually
inspect external components for wear or damage.
Wear Analysis
At periodic intervals record pressure readings at
idle speed; a gradual decline is normal. Readjust
pressure relief valve to maintain proper operating
pressures. See fig.13, p. 11.
Inspection/ Overhaul interval
A complete inspection of the Capitol marine gear
should be made at least as often as the engine is
overhauled. Parts such as commutator bushings,
oil seals, o-rings, clutch discs, bearings etc.
showing any fatigue or wear should be replaced.
It may be desirable to completely rebuild the
marine gear at this time (see section 7.)
For all normal ambient operating conditions. 30ºF
(-1ºC) to 85ºF (29ºC), We recommend a good
grade, anti-foaming, heavy duty, SAE 30 motor oil.
Where high ambient temperatures are
encountered, over 85ºF (29ºC), it may be
necessary to use SAE 40 motor oil.
Where extremely cold ambient temperatures are
encountered, under 30ºF (-1ºC), it may be
necessary to use SAE 20 motor oil.
CAUTION:
When using SAE 20 motor oil be very attentive to
oil pressures. If proper pressure cannot be
maintained 9200-210 P.S.I) it may be necessary to
use SAE 30 and warm engine and gearbox
thoroughly before engaging clutch. This condition
would only be encountered at extremely low
temperatures.