7. If dimension "A" is less than 1 /8" minus 1/32" or If the "Go" side of the -
tolerances noted in paragraph # 1, as this would Indicate the runout is In
CDG-1 :gauge will not slide by the end of the pump drive sleeve, It will be
excess of the .020" limit.
necessary to remove the converter housing and check for interference of
10. Attach the Revers-O-Matic Drive to the converter housing with the
the torque converter, converter drive plate, and engine flywheel for possible
#F10040-32 capscrews (7/16 x 2") and #F16203 lockwashers, checking
first that the oil pump drive lugs are set at right angles to the drive lugs on
damaged or deformed drive plate. If no Interference is found, the thickness
of the flywheel must be reduced, or metal shims may be Installed between
the converter pump drive sleeve The full weight of the Revers-O-Matic
the converter housing and the Revers-O-Matic drive
must be suspended during Installation to prevent damage to the oil seal at
8. If dimension "A" is more than 1 1/8" plus 1/32", or the "No-Go" side of the
the front of the oil pump The Revers-O-Matic should be rotated a few
degrees each way during installation to mesh the spline connections Inside
#CDG 1 gauge will slide by the pump drive sleeve, shims may be Installed
the converter.
between the engine flywheel and the converter drive plate Plain washers not
NOTE
more than 1/16" thick may be used for this purpose
The Revers-O-Matic must be filled with oil per service
9. The runout of the pump drive sleeve, which is not to exceed .020" max., is
Instructions on page 4 before engine is started
checked by using the #CRG-1 gauge (Fig. #4), which also checks for converter
housing misalignment The use of this gauge depends on a sense of feel The
11. Installation with reference to 40RC7866 control assembly is shown on page
#CRG 1 gauge slips over the pump drive sleeve and into the converter housing
D 12 Connect the throttle rod between the throttle lever (point "E" page 5)
bore, this may require a slight lifting because the flexibility of the converter drive
and the governor spring Throttle rod length is adjusted so that the engine
plate may allow the torque converter to tilt slightly. The gauge is then turned as
begins to rev up when the lever has left stop "A" by riot more than 1/16"
the engine is turned over slowly If the gauge turns freely through a full turn of the
The rod from the operator's control is connected to the bell crank (point
crankshaft, the converter and converter housing are in satisfactory alignment If
"D"), being sure that the operator can articulate the bellcrank thru 45 each
the gauge will not enter the converter housing bore, or the gauge does not
way, or until stop "C" closes.
turn freely as the engine is turned over, It will be necessary to recheck the
PERFORMANCE CHECK
Attach a tachometer to the engine with the transmission in neutral Holding the
3. Remove the lower regulator cap, spring, valve and guide pin. Thoroughly
forward pedal or lever wide open, the engine should turn up to the top governor
clean the valve port as well as the various ports of the valve.
R.P.M as shown on the specification sheet. If the R.P.M is less than this, check the
4. Reassemble the lower regulator valve complete, being sure that the valve
control and governor linkage to make sure that the governor is being held wide
slides freely in the valve port
open, or tune up the engine. Check the R.P.M. with the reverse pedal or lever fully
5. A pressure reading can now be taken on the lower regulator valve, using
depressed. The engine speed should be the same as above.
the gage previously Installed The lower regulator should be set at 75 to 80
Next, place the transmission in high gear and lock the brakes. Holding the
P.S.I.
forward pedal or lever wide open, the engine should turn up to the minimum static
6. The pressure of the regulators can be adjusted by adding or removing
R.P.M. as shown on the specification sheet If the R.P.M. is less than this, tune up
washers under the springs in the regulator caps
the engine If the engine speed is over the maximum static R.P.M as shown on the
7. Remove the upper regulator cop and reassemble the upper regulator valve
complete, being sure that the valve slides freely in the valve port.
Matic are slipping. Repeat the some test, using the reverse pedal or lever.
8. The upper regulator valve should now be set so as to read 160 to 170 P.S.I
If a check indicates that the converter or the Revers-O-Matic are at fault, first check
at 1800 R.P.M. in neutral, However, the pressure will drop momentarily
the oil level of the unit as described under "Service" on Page 4 Next, check the
below 100 P.S.I. when the clutches are engaged. With the engine idling,
control oil pressures. Install a 200# pressure gauge in the pipe fitting located on top
the regulator should read approximately 100 P.S.I.
of the control valve and at the front end of the Revers-O-Matic Drive With the engine
9. With new oil In the unit, the pressure regulator valves may buzz. This is
turning approximately 1500 R.P.M. the pressure should read 150 P.S.I. minimum If
due to a foaming of the oil Do not read the pressure gage when the
less than this, remove and clean the pressure regulator valves as follows'
regulator valves are buzzing Idle the engine for several minutes, then rev up
1. Remove the upper regulator cop on the left hand side of the unit near the
and read the pressure gage.
front end of the case Remove the spring, valve, and guide pin. Thoroughly
10. The 10# pressure regulator valve located on the right hand side of the unit
clean the valve port as well as the various parts of the valve. Set the parts
is rarely a source of service problems. However, if the valve should require
of the upper regulator valve aside so that they will not be mixed up with
cleaning, follow the steps described above for the other two regulator
other parts later on.
valves.
2. Install the upper regulator cap only in the upper regulator valve port.
B-7
