WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR
HANDS NEAR THE PULLEYS, BELTS OR FAN. DO
NO WEAR LOOSE CLOTHING.
(11) St art the engine and inspect for lea ks.
STANDARD PROCEDURE - INSPECTING TAP-
PET CLEARANCE
(1) Check engine oil level, adjust as n ecessary.
(2) Warm engine t o oper ating temper atu re
(approx. 80°C, 176°F).
(3) Remove the cylin der head cover (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
(4) Rotat e t he engine by th e cr ankshaft un til the
camsha ft, at t he ta ppet to be test ed, is at it ’s base
circle (cam sh aft nose must point upwa rd) (Fig. 20).
NOTE: Do not use a tool that will mar or damage
the tappet surface. If applied pressure is too strong
the tappet will appear to drop, but what happens is,
the valve opens.
(5) Use a pressin g t ool and a pply pr essu re to the
tappet by hand (Fig. 20).
(6) If the tappet drops faster in compar ison to t he
other t appets, remove the ca mshaft a nd repla ce the
tappet.
REMOVAL
NOTE: Tappets are serviced Only when replacing
the camshaft housing. Inspect tappet clearance
(Refer to 9 - ENGINE/CYLINDER HEAD/CAM-
SHAFT(S) - STANDARD PROCEDURE).
(1) Disconn ect nega tive battery cable.
(2) Remove engine cover. (Refer to9-ENGINE -
REMOVAL).
WARNING: (Refer to 14 - FUEL SYSTEM - WARN-
ING)
(3) Remove h igh pr essu re lines and in ject ors
(Refer to 14 - FUEL SYSTEM/F UEL INJ ECTION/
FUE L INJ ECTOR - RE MOVAL).
(4) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
NOTE: Rotate engine at the crankshaft only. DO
NOT rotate the engine at the camshaft. DO NOT
rotate the engine backward.
(5) Position piston of cylinder #1 t o ign ition TDC.
(6) Lock inlet camshaft (Fig. 21).
Fig. 20 TAPPET CLEARANCE
1 - CAMSHAFT
2 - PRESSURE APPLICATION POINT
3 - HYDRAULIC TAPPET
4 - CAMSHAFT HOLD DOWN
9 - 30 ENGINE VA
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