Adjusting The Valve Clearance - Hino S5-LJ05E04A Workshop Manual

Cylinder number
Valve arrangement
No.1 cylinder at the compres-
sion stroke top dead center
No.4 cylinder at the compres-
sion stroke top dead center
ADJUST SCREW OF THE
CROSSHEAD
CLOSE
CONTACT
LOCK NUT
MOUNTING AND DISMOUNTING THE ENGINE (J05E)

ADJUSTING THE VALVE CLEARANCE

! CAUTION
•
•
1.
(1)
! CAUTION
Check that the rocker arm to be adjusted is not lifted to the cam of
the camshaft.
NOTICE
If the No.1 cylinder is at the compression stroke top dead center,
the valve clearance with  mark in the table can be adjusted. If the
No.4 cylinder is at the compression stroke top dead center, the
cylinder with Δ mark can be adjusted.
1
Intake Exhaust
 
(2)
! CAUTION
Make the adjust screw projecting beyond the upper surface of the
10 mm {0.394 in.}
crosshead by at least 10 mm {0.394 in.}. Correct adjustment can-
OR MORE
not be made unless the adjust screw is completely separated from
the valve stem.
GAP
SHTS021270400003
Before adjustment, make sure that the tightening bolts of the
cylinder head, rocker arm support, nozzle clamp, and cam-
shaft bearing cap are tightened with their specified torque.
Make sure that there is no dirt in the crosshead and valve
stem head.
VALVE CLEARANCE ADJUSTMENT
Turn the crankshaft forward to align the cylinder for adjustment
with the compression stroke top dead center.
2
Intake Exhaust Intake

Δ
Fully loosen the adjust screw and lock nut of the crosshead.
EN01F02121040706004003
3
Exhaust Intake

Δ Δ
5–5
4
Exhaust
Δ