Bettis P/N 126858
Revision "F"
Page 10 of 15
4.3.10 Remove the M11 pump assembly from the M11 mounting bracket (30-90).
4.3.11 Refer to assembly drawing sheet 2. Remove four cap screws (20-110) from pump cover
(20-20).
NOTE: In step 4.3.10 the pump handle lever (20-90), pump rod (20-50), and associated parts will
be removed with the pump cover (20-20).
4.3.12 Remove pump cover (20-20) from manifold (20-10). NOTE: To remove the pump cover
(20-20) pull the pump rod (20-50) up out of the manifold (20-10) using a slight twisting back
and forth motion.
4.3.13 Remove quick release pin (20-120) from pump handle lever (20-90).
4.3.14 Remove retainer ring (20-140) from pivot pin (20-130).
4.3.15 Remove pivot pin (20-130) from pump rod (20-50).
NOTE: If the M11 pump is equipped with Auto Reset then do steps 4.3.16 and 4.3.17 and refer to
Auto Reset drawing 135978. If not equipped with Auto Reset skip steps 4.3.16 and 4.3.17.
4.3.16 Remove one retainer ring (40-140) from auto reset lower pivot pin (40-130) located on the
back side of auto reset bracket (40-110).
4.3.17 Remove flat washer(s) (40-150) from auto reset lower pivot pin (40-130) located on the
back side of auto reset bracket (40-110).
4.3.18 Refer to assembly drawing sheet 2. Remove one socket cap screw (20-180) from the
center of the M11 control knob (20-320) and remove the control knob from the control valve
(20-190).
4.3.19 Remove the self-tapping hex head screws (20-240) from the position label (20-230).
4.3.20 Remove position label (20-230) from the control valve (20-190).
4.3.21 Remove the screws that retain the control valve (20-190) to the M11 manifold (20-10).
4.3.22 Remove the control valve (20-190) from the M11 manifold (20-10).
4.3.23 Using a standard 1/4” Allen wrench remove o-ring plug (20-250) from the right side of the
M11 manifold (20-10).
4.3.24 Remove the relief valve (20-30) from the right side of the M11 manifold (20-10).
4.3.25 Using a standard 1/4” Allen wrench remove o-ring plug (20-270) from the bottom end of
pump rod (20-50).
4.3.26 Remove check valve (20-40) from pump rod (20-50).