Toyota 1HD-FT Repair Manual page 31

EG-18
ENGINE - ENGINE MECHANICAL
EG
(f) Injection timing set correctly
(9)
AIT;
Transmission in neutral position
(hi MIT;
Steering wheel at straight-ahead position
2. CONNECT TACHOMETER
3. CHECK AND ADJUST IDLE SPEED
(a) Check that the adjusting lever touches the idle speed
adjusting screw when the accelerator pedal is rel8a·
sed.
If not, adjust the accelerator linkage.
(b) Start the engine.
(e) Check the idle speed.
Idle ,peed:
MIT
700
±
50
rpm
AIT
800
±
50
rpm
(d) Adjust the idle speed.
• Disconnect the accelerator linkage.
• Loosen the lock nut of the idle speed adjusting
screw.
• Adjust the idle speed by turning the idle speed
adjusting screw.
• Securely tighten the lock nut, and recheck the
idle speed.
• Reconnect the accelerator linkage.
• After adjustment, adjust the accelerator linkage.
PU314
puno
4. CHECK AND ADJUST MAXIMUM SPEED
(a)
wI
Throttle Position Sensor:
Depress the accelerator pedal all the way. Then check
that the adjusting lever does not move when you try
to push it to the maximum speed side.
If not, adjust the accelerator linkage.
(b)
wlo
Throttle Position Sensor:
Ckeck that the adjusting lever touches the maximum
speed adjusting screw when the accelerator pedal is
depressed all the way.
If not, adjust the accelerator linkage.
(c) Start the engine.
(d) Depress the accelerator pedal all the way.
(e) Check the maximum speed.
Maximum speed:
4.400
±
tOO
rpm
If the maximum speed is not as specified. remove the
injection pump and adjust the maximum speed.
(See injection pump adjustment in Fuel System)
Adjusting
Lever
~
, \ Not
~ove{
w
J
0
Throttle Position Sensor
Maimum Speed
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