EM-2S
ENGINE M ECHAN ICAL
- Engine
Tune-up
ADJ U S T M E N T
OF
I D LE S PE E D AN D
M AXI M U M SPEED [ 2 H AfT and 1 2 H -TJ
1 .
I N ITIAL C O N DITIONS
(a) Air cleaner i n s talled
(b)
Normal operating coolant t e m perature
(e) All
accessories switched off
Idl
All vacuum lines connected
(e) Valve clearances set correctly
(I)
Injection liming sel correctly
(g) Transmission In N range
2 .
C O N N ECT TACHOMETER
3.
A D J U S T I D L E S P E E D
( a )
Check t h a t t h e adjusting lever t o u c h e s the idle speed
adjusting bolt when t h e ?cceleralor pedal is released.
I f not. adjus t the accelerator linkage
(bl Start the engine.
Ie)
Check the idle speed.
Idle
speed:
MIT
AIT 1 2 H I
AfT 1 1 2 H · T)
650 rpm
750
rpm
770 rpm
(d) Adjust the idle speed.
•
Disconnect the accelerator linkage
•
Loosen t h e lock nul of t h e idle speed adjusting
bolt.
•
Adjust t h e idle speed by lurning t h e IDLE SPEED
ADJUSTING SOL
T .
•
Securely tig hten ,he lock nul and recheck the idle
speed.
•
ConneCI Ihe accelerator linkage.
•
After
adjustment. adjust t h e accelerator l inkage.
4.
A D J U ST M A X I M U M S P E E D
( a ) C heck Ihal the adjusting l e v e r t o u c h e s Ihe maximum
speed adjusting boll when the accelerator pedal i s
depressed all
the
w a y .
If not. a d j u s t the accelerator li nkage.
...,