Bettis P/N 127073E
Revision “A”
Page 3 of 37
1.2
DEFINITIONS
WARNING:
If not observed, user incurs a high risk of severe damage to actuator and/or fatal
injury to personnel.
CAUTION:
If not observed, user may incur damage to actuator and/or injury to personnel.
NOTE:
Advisory and information comments provided to assist maintenance personnel to
carry out maintenance procedures.
1.3
GENERAL SAFETY INFORMATION
Products supplied by Bettis, in its "as shipped" condition, are
intrinsically safe if the instructions contained within this Service Instruction are strictly adhered to and
executed by well-trained, equipped, prepared and competent personnel.
WARNING:
For the protection of personnel working on Bettis actuators, this procedure
should be reviewed and implemented for safe disassembly and reassembly.
Close attention
should be noted to the WARNINGS, CAUTIONS and NOTES
contained in this procedure.
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
BETTIS REFERENCE MATERIALS
1.4.1
Assembly Drawing for G2-SR-M11 through G5-SR-M11 model actuators with one
Pneumatic Power Module and one Spring Module with M11 Hydraulic Override Module use
part number 121410.
1.4.2
Assembly Drawing for G7-SR-M11 through G10-SR-M11 model actuators with one
Pneumatic Power Module and one Spring Module with M11 Hydraulic Override Module use
part number 121411.
1.4.3
M11 Manual Hydraulic Override System operating instructions part number 126858 with
M11 assembly drawing part number 126567.
1.4.4
M11-S Manual Hydraulic Override System operating instructions part number 121960 with
M11-S assembly drawing part number 121107.
