Suzuki Samurai 1986, Service Manual

Page: 141 / 482

4) If clearance is out of specification, adjust by
bending the unloader arm indicated in below
figure.
Choke valve to
2.5 3.2
mm
bore clearance
(0.10 0.12
in.)
Checking Secondary System
1) Remove air intake case.
2) Disconnect hose from 3 way joint, and
connect vacuum pump gauge.
3) Open primary throttly valve fully.
4) Check if secondary throttle valve opens
smoothly and is held there when vacuum
(10 is applied to actuator.
5) Disconnect hose from 3 way joint and
connect vacuum pump gauge to its hose.
Plug hose with finger.
.
6) Turn ignition switch to “ON” position and
open primary throttle valve fully. 5 or 6
seconds later, make the
check as in
above step 4).
Unloader arm
2. Fast idle cam
3. Accelerator cable
Fig. Unloader lever arm
Checking Acceleration Pump
1) Remove air intake case.
2) Make sure that fuel comes out of pump
discharge nozzle when accelerator pedal is
depressed.
Fig. l-59
2. Hose
4 . v s v
If check result in step 4) is not satisfactory,
check VTV, and if that in step 6) is not satis-
factory, check VSV.
If not satisfactory in either step 4) or 6) and both
VTV and VSV are in good condition, replace
actuator.
[VTV (Vacuum Transmitting Valve)]
Remove VTV. Use a vacuum pump gauge for
VTV check. If pointer of vacuum pump gauge
reacts as described below in each condition,
VTV is in good condition.
1
Pump discharge nozzle
2 .
Fig. 1-58 Pump discharge nozzle
With vacuum pump gauge set at Brown side of
VTV, when pump is operated, pointer doesn’t
move (remains at zero position).