Chevrolet 30 Series 1967 Service Manual page 403

Fig . 2B - Adjusting Relay Point Opening
Solenoid
Closing Coil
Remove solenoid from transmission, connect a jumper
wire between negative terminal of battery and mounting
flange of solenoid. Connect a second jumper wire be­
tween the battery positive terminal and solenoid terminal
No. 4; this should cause the solenoid pawl to move out.
If solenoid chatters, Hold-In Coil is defective.
Engaging Spring
With jumper wire connected as in paragraph above,
(solenoid energized, plunger extended) place ball end of
solenoid against bench. Push down on solenoid.
pawl rod should move in 3 /8 " under a load of not less
than lbs. nor more than
8
extended position when load is removed.
Ignition Grounding Contact
Place a test lamp between negative battery teminal
and solenoid terminal No.
this connection is made. Remove jumper from between
negative battery terminal and solenoid terminal No. 4.
Pawl rod should snap "in" and test lamp should go out.
Governor Switch
Remove overdrive wire at governor and connect test
lamp between governor overdrive terminal and positive
terminal of battery. Drive car on road or raise on jacks.
The lamp should light at a car speed of between 26 to 30
MPH. Upon decreasing speed, the lamp should go out at
between 28 and 23.5 MPH.
between light "on" and light "off" should be 2 or 3 MPH.
Kickdown Switch
Disconnect the 4 wires at kickdown switch.
1. Connect test lamp between "SW" terminal and posi­
tive terminal of battery; with switch in normal posi­
tion, lamp should light when "R E L " terminal is
grounded but should not light when "IGN" or "SOL"
terminals or switch case is grounded.
2. Connect test lamp between "IGN" terminal and posi­
tive terminal of battery; with switch stem pushed in,
lamp should light when "SOL" terminal is grounded,
but should not light when "SW" or "R E L " terminals
The
Pawl should move out to
12.
. Lamp should light when
6
The car speed differential
CLUTCHES AND TRANSMISSIONS 7-17
A R M A TU R E S P R IN G POST
(BEND TO ADJUST CLOSING VOLTAGE)
Fig. 3B - Adjusting Relay Closing Vo ltage
or switch case is grounded.
LINKAGE ADJUSTMENT (Fig. 4B)
After throttle linkage has been adjusted, adjust kick-
down switch (A) so the actuating lever (B) at full throttle
position rests against end of threaded barrel on switch.
Fig . 4B - O verdrive Linkage Adjustment
CHEVROLET TRUCK S E R V O M ANUAL