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ENGINE MECHANI CAL
-
Engine Tune-up
ADJ USTM ENT OF AIR COND I T I O N E R
I D L E - U P S ETT I N G SPEED [ 2 H MIT]
1 .
INITIAL CONDITIONS
tal
Air cleaner installed
(bl Normal operating coolant t emperature
leI
All accessories switched off
(d) All vacuu m lines connected
Ie) Valve clearances sel correctly
(f) Injection timing set correctly
(9) Idle speed set correctly
2.
CONNECT TA C H OMETER
EM
-
3
1
3.
ADJUST AIR CONDITIONER lAIC) IDLE-UP SETTING
SPEED
(a)
Slart the engine.
(b) Disconnect the vacuum hose from the idle-up actua
tor and plug the hose end.
(c)
Apply vacuum to the idle-up actuator
(d) Race the engine to
2 , 500
rpm a few seconds , release
throttle and check the A/C idle-up sel ling speed.
AIC
idle-up setting speed:
950
rpm
(e) Adjust the Ale idle - u p setting speed by turning the
AIC
IDLE-UP
ADJUSTING SCREW.
(f)
Race the engine
10 2, 500
rpm a few seconds, release
the throttle and recheck the A/C idle-up setting
speed.
(g) Reconnect the vacuum hose to the idle-up act ua tor.