Bettis P/N 126858
Revision "F"
Page 2 of 15
WARNING:
This procedure should not supersede or replace any customer’s plant safety
or work procedures. If a conflict arises between this procedure and the
customer’s procedures the differences should be resolved in writing
between an authorized customers representative and an authorized Bettis
representative.
1.4
FLUID REQUIREMENTS
1.4.1
M11 Manual Hydraulic Override System Fluid Requirements: Hydraulic fluids, other than
those listed in steps 1.4.1 and 1.4.2, should not be used without prior written approval of
Bettis Product Engineering.
1.4.1
Standard and high temperature service (-20
°
F to +350
°
F) use Dexron II or Shell
Tellus T-32 Automatic Transmission Fluid.
1.4.2
Low temperature service (-50
°
F to +150
°
F) Use Exxon Univis J13 or HVI 13
Hydraulic Fluid.
1.5
BETTIS REFERENCE MATERIALS
1.5.1
Bettis M11 System Assembly drawing part number 127247.
1.5.2
M11 with auto reset module uses additional drawing part number 135978.
SECTION 2 - GENERAL INFORMATION
2.1
ACTUATOR POWER OPERATION
CAUTION:
Power operation of the actuator with the M11 control knob in any other
position than “AUTO” will cause fluid to overflow at the low pressure relief
valve located in the reservoir outer end cap.
2.1.1
Place the M11 control knob (20-320) in the Auto position (middle position). NOTE: The
control knob (20-320) is located in front and at the bottom of the M11 pump.
CAUTION:
Do not exceed the maximum operating pressure rating of the actuator.
2.1.2
Apply an operating media, of the correct pressure, through a control valve to the actuator's
power cylinder.
2.2
ACTUATOR M11 MANUAL HYDRAULIC OPERATION
2.2.1
Shut off and exhaust the operating media from both sides of the actuator’s power cylinder.