B&M 70225 HI PERF SERVO User Manual
Page 3

STEP 11. Assemble the sup-
plied replacement inner (23) and
outer (24) oil seal rings on the
B&M High Performance 2-4
Servo Piston (25). Lubricate
seals with multi-pupose grease
to hold in place.
STEP 12. Place supplied red o-
ring seal (21) onto the B&M High
Performance 2-4 Servo Housing
(22). Lubricate the seal with multi-
purpose grease.
STEP 13. Install the B&M High
Performance 2-4 Servo Piston
(25) into the B&M High Perfor-
mance 2-4 Servo Housing (22).
STEP 14. Place the B&M High
Performance 2nd apply servo as-
sembly into the servo bore. Lu-
bricate the servo bore with multi-
purpose grease.
STEP 15. Install the 4th apply
piston (16) into the servo bore
(15).
STEP 16. Assemble the sup-
plied dark green or black o-ring
seal (14) onto the servo cover
(15). Lubricate seal with multi-
purpose grease.
STEP 17. Push the servo cover
(15) into the servo bore (A), de-
press the servo cover and install
the retaining ring (13).
TOOL LIST
1
Jack and Jack Stands, Wheel Ramps, or
Hoist
1
Small Flat Blade Screwdriver
1
Medium Flat Blade Screwdriver
1
Multi-Purpose Grease
PARTS LIST
1
B&M High Performance 2-4 Servo
Housing [22]
1
B&M High Performance 2-4 Servo
Piston [25]
1
O-ring (2-4 Servo Cover) seal (dark
green or black) [14]
1
O-ring (Inner piston housing) seal
(red) [21]
1
Ring, oil seal inner (2nd apply piston)
(black, scarf, small) [23]
1
Ring, oil seal outer (2nd apply piston)
(black, scarf, large) [24]