Hino S5-LJ05E04A Workshop Manual page 601

CONFIRMATION
PART OF OIL
FLOW
SHTS021271200056
LUBRICATION (J05E)
INSPECTING THE LUBRICATION AFTER A LUBRI-
CATION OVERHAUL
1. INSPECTING THE VALVE SYSTEM
! CAUTION
• Make sure to perform an inspection after a lubrication over-
haul.
•
Perform the inspection at the coolant temperature about 60°C
{140°F}.
(1) Remove the head cover.
Reference: ENGINE MECHANICAL (J05E), HEAD COVER,
REPLACEMENT, REMOVING THE HEAD COVER (Page 10-3)
! CAUTION
For inspection, mount a jig of which head cover is cut in half to
prevent engine oil from splashing. (Perform cutting enough so
that the camshaft is covered.)
(2) Adjust the engine speed at the standard idling speed (750 r/min.).
(3) Check if oil is supplied to all rocker arm parts below within about
10 seconds after the engine start.
a. The roller and cam surfaces
b. The crosshead head and spring upper seat upper surface via
the adjust screw
! CAUTION
If the duration before the oil supply is long or no oil is supplied,
dropped oil pressure or clogged oil groove is considered possible
reasons, which may cause troubles such as seizure, abnormal
wear, and abnormal noise due to defective oil supply.
(4) Mount the head cover.
Reference: ENGINE MECHANICAL (J05E), HEAD COVER,
REPLACEMENT, MOUNTING THE HEAD COVER (Page 10-4)
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