TSE PTV100/72, Руководство пользователя

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26
saue
Series 90 Fluid and Filter Maintenance 6
To ensure optimum service life of Series 90 products,
regular maintenance of the fluid and filter must be
performed. Contaminated fluid is the main cause of
unit failure. Care should be taken to maintain fluid
cleanliness while performing any service procedure.
Check the reservoir daily for proper fluid level, the
presence of water (noted by a cloudy to milky appear-
ance, or free water in bottom of reservoir), and rancid
fluid odor (indicating excessive heat). If either of
these conditions occur, change the fluid and filter
immediately.
It is recommended that the fluid and filter be
changed per the vehicle/machine manufacturer’s
recommendations or at the following intervals:
6. Fluid and Filter Maintenance
e p y t - d e l a e s a h t i w m e t s y S
r i o v r e s e r
s r u o h 0 0 0 2
- g n i h t a e r b a h t i w m e t s y S
r i o v r e s e r e p y t
s r u o h 0 0 5
Charge pump
Filter
Hydraulic fluid reservoir
Adjustable
Charge pressure relief valve
To pump case
to low
pressure
side and
control
Mano-
Vacuummeter
To pump case
Charge pump
Hydraulic fluid reservoir
Filter
to low
pressure
side and
control
Screen
Adjustable
Charge pressure
relief valve
Suction Filtration Schematic
Charge Pressure Filtration Schematic
(Partial Flow)
P000797 E
P000798 E
It may be necessary to change the fluid more fre-
quently than the above intervals if the fluid becomes
contaminated with foreign matter (dirt, water, grease,
etc.) or if the fluid has been subjected to temperature
levels greater than the recommended maximum.
Never reuse fluid.
The filter should be changed whenever the fluid is
changed or whenever the filter indicator shows that it
is necessary to change the filter.
Filters can be in either pressure filtration or suction
filtration configurations. For suction filtration, filters
should have a Beta-ratio of
β
10
>2. For charge pres-
sure filtration, filters should have a Beta-ratio of
β
10
>10. See Sauer-Sundstrand publication BLN-9887
or 697581 and ATI-E 9201 for more information on
filtration.
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