- . ~
# :-~cc, ~,
"c , ;,-
r -"...'"
r 40. TIGHTENING CYLINDER HEAD BOL T5
i If the cylinder head bas been removed, the
I cylinder head bolts should he tightened after
about 10 hours further running.
1. Run engine until it reaches normal work-
ing temperature then stop.
2. Unfasten the decompressor spring at the
TeaT end of the cylinder head.
Re1!1°ve rocker cover (9).
3. Slacken both bolts (10). Carefully lift off
the rocker arm brackets and branch pipes
without further dismantling.
4. Tighten the cylinder head bolts in the cor-
rect sequenëe. Use a torque wrench (11).
Start with bolt ~o 1 on the port (silencer)
side and then tighten No 2 and No 3 on the
starboard side etc.
(Torque setting 11 kgm, 79 ft.lbs.)
5. Fit rocker arm brackets (torque setting 8
kgm, 58 ft.lbs.) , adjust valve clearances
and fit rocker cover.
: 41. CLEANING CRANKCASE SUMP AND OIL STRAINER
(Once every 2 or 3 years) The strainer only needs to be removed foT
cleaning if the oil pressure is low on start-
ing (when the oil is thickest) when the oil
level is normal. Otherwise it is sufficient
I ; to wash out only the crankcase sump itself
~ i (see item 3 on the next page).
r j' 1. Withdraw dipstick (1). Undo the secur-
, ; ing screws (2), bend the fixing clip (3)
I to one side and remove the governor
cover (4).
/" 2. The strainer pipe (5) is visible through
! the opening in the gear housing. Undo
: nut on L-piece (6) and carefu1ly ease
the pipe out.
i _\ :;;.? Sj:':., , Wash.out the pipe (strainer) in fuel oil
\c '. ~ Fig. 56 6.iJf '.'~, and Wlpe or blow dry.
, " 42 J. ::;"i\':
, ~~.~:,:' .,
"
_._~ - ' -
To Next Page
Loading...
