B&M 10228 TRANSPAK - Manual (Page 2)

2
Figure 1
Figure 2
STEP 4. Referring to figure 2,
reinstall the 2-3 shift valve and
spring and the 1-2 shift valve and
spring. Reinstall the 1-2 shift
control valve and spring. For 3-
SPEED OFF-ROAD RACING AP-
PLICATIONS ONLY install the
supplied B&M 1/4” check ball in-
side the spring on top of the 1-2
shift control valve. DO NOT in-
stall the 1/4” check ball in Heavy
Duty and Street applications.
Make sure all the valves and
springs move freely, then install
the down shift assembly and end
plate. Reinstall the booster as-
sembly (some early models do
Figure 3
(See Figure 1).
STEP 2. Remove and discard the filter. Carefully disas-
semble the valve body and lay out all the springs and
valves as removed on a clean rag or paper towel (See
Figure 2). Thoroughly clean each part (brake cleaner
works well. Replace the stock limit valve spring with the
supplied B&M limit valve spring (See Figure 2).
STEP 3. Install the supplied B&M drill guide as shown in
figure 3. Wrap masking tape 3/8” above the tip of the
supplied 3/16” diameter drill to use as a drill guide stop.
Then drill through the hole in the guide keeping in mind
the casting wall will be removed; but DO NOT drill through
the valve body. If the indicated passage has a restrictor,
drill the passage clear with the supplied #32 (.116 diam-
eter) drill (See Figure 3).
Pressure Regulator
Booster Valve Assembly
Converter/Lube Oil
Switch Valve & Spring
Pressure Regulator Valve&Spring
Replace stock spring with B&M’s
spring (Step 6).
Throttle Valve Assembly
Grind throttle valve and replace
1971 and Later 1-2 Shift
Control Valve & Spring
С Т У Ф Х Ц
HERE (Step 4).
1-2 Shift Valve & Spring
Limit Valve Spring
Replace with B&M’s
limit valve spring
(Step 2).
1-2 Shift Valve
Governor Plug
Replace with
B&M’s governor
plug (Step 8).
(FOR 3-SPEED
OFF-ROAD
RACING ONLY)
stock spring with B&M’s spring
(Step 5).
3-2 Down Shift Assembly
2-3 Shift Valve & Spring
For Off-Road ONLY:
End Plate
End Plate
End Plate
If this passage is
restricted drill the
casting wall to open
using the supplied #32
diameter drill (DO NOT
drill through valve body).
Drill using a
3/16” diameter
drill to a depth of
3/8” deep from
the top surface
of the guide.
Valve
Body
Bolts