Plug - Remove to Install
Pressure Gauge
3/8 NPTF
Hydraulic Pressure Gauge
0-10,000 PSI Range
(OTC Y5-B‡, or Equivalent)
‡ MANUFACTURED BY OWATONNA TOOL CO., OWATONNA, MINNESOTA 55060
409-5860
13
of 16
Rev C
Figure 10
5.5. Filter Screen Maintenance
All hydraulic fluid entering the hydraulic system must pass through the filter screen. The filter screen prevents
dirt and any other foreign matter in the reservoir from entering the hydraulic system.
The hand pump should never be operated with a dirty filter screen, a damaged filter, or without a filter screen.
The reservoir and filter screen should be cleaned periodically, and the hydraulic fluid replaced, to ensure
operating efficiency. New filter screens can be obtained from TE. (Refer to Section 6, REPLACEMENT PARTS.)
If the hand pump does not operate at a consistent speed, the problem may be caused by a dirty or damaged
filter screen.
A. Cleaning Filter Screen
To clean the filter screen:
1) Refer to Figure 11. Remove six pump assembly screws, holding reservoir cover to reservoir, and
carefully lift pump assembly from reservoir.
Pump Assembly Screws
Reservoir
Pump Assembly Screws
Figure 11
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