Hino S5-LJ05E04A, Руководство по ремонту

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MOUNTING AND DISMOUNTING THE ENGINE (J05E) 5–5
ADJUSTING THE VALVE CLEARANCE
EN01F02121040706004003
! CAUTION
•
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.
1. VALVE CLEARANCE ADJUSTMENT
(1) Turn the crankshaft forward to align the cylinder for adjustment
with the compression stroke top dead center.
! 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.
(2) Fully loosen the adjust screw and lock nut of the crosshead.
! CAUTION
Make the adjust screw projecting beyond the upper surface of the
crosshead by at least 10 mm {0.394 in.}. Correct adjustment can-
not be made unless the adjust screw is completely separated from
the valve stem.
Cylinder number 1 2 3 4
Valve arrangement Intake Exhaust Intake Exhaust Intake Exhaust Intake Exhaust
No.1 cylinder at the compres-
sion stroke top dead center
   
No.4 cylinder at the compres-
sion stroke top dead center
Δ Δ Δ Δ
ADJUST SCREW OF THE
CROSSHEAD
10 mm {0.394 in.}
OR MORE
GAP
LOCK NUT
CLOSE
CONTACT
SHTS021270400003