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Begin OCR Text:
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P
B 18 B B 18 D
Height above upper surface of head . . . . . . . . . . . . . . . . . . . . 21 mm (O.83'')
Clearance, valve stem-guide, inlet valves . . . . . . . . . . . . . . O.O25-O.O55 mm (O.OO1O-O.OO22'')
eKhaust valves . . . . . . . . . . O.O65-O.O95 mm (O.OO26-O.OO37'')
VALVE SPRIN_S
EarIy production
Length, unloaded, approK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 mm (1.77'')
Ioaded with 25.522 kg (56t4'/1 Ib.) . . . . . . . . . . . . 39 mm (1.54'')
66+_3.5 kg (1Q5+-8 _b.) . . . . . . . . . . . . . . 3O.5 mm (1.2O'')
Late production
Length, unloaded, approK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 mm (1.81'')
Ioaded with 29.5t2.3 kg (65t5 Ib.) . . . . . . . . . . . . 4O mm (1.57'')
82.5t4.3 kg (182t9l/1 Ib.) . . . . . . . . 3O mm (1.18'')
it. Lu_Rj_A__N_ SyS7E_ _
Oil capacity, inCluding oil filter . . . . . . . . . . . . . . . . . . . . . . . . 3.75 litres(3',/1lmp.qtS=4USqts.)
Oil capacity, eKcluding oil filter . . . . . . . . . . . . . . . . . . . . . . . . 3.25 litres(3'/4lmp.Qts=3'./1USqts.)
Oil pressure at 2OOO r.p.m. (with warm engine and new oil
_ filfer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5-6.O kg,,_'cm' (5O-85 Ib./sq.in.)
Lubricant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine oil ''For Service MS''
viscosity, below O''C (32'F) SAE 1O W )
_ ' ' _ _ ' ' _ _ ' ' _ _ ' ' ' ' ' _ or multigrade oil
between O'C (32'F) and +3O'C (9O'F) SAE 2O __ SAE 1O W-3O
above +3OOC (9O'F) . . . . . . . . . . . . . . . . SAE 3O )
_ LubriEoting oil _ilter
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flow
Make . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WiK or Mann
LubriEoting oil pump - -
Oil pump, type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear pump
Oil pump, number of teeth on each gear . . . . . . . . . . . . . . . . 1O
end float . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O.O2-O.1O mm (O.OOO8-O.OO4O'')
radial clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . O.O8-O.14 mm (O.OO32-O.OO55'')
. _- tooth flank cIearance . . . . . . . . . . . . . . . . . . . . . . . . O.15-O.35 mm (O.OO6O-O.O14O'')
Rejje_ VOlVe SpfIng (jn O'Ij pUmp)
Length, unloaded, early prod. . . . . . . . . . . . . . . . . . . . . . . . . . . approK. 31 mm (1.22'')
_ late prod. . . . . . . . . . . . . . . . . . . . . . . . . . . approK. 32.5 mm (1.28'')
_oaded with q.O+-O.2 kg (g+- I/_ _b.) . . . . . . . . . . . . . . 27.5 mm (1.Og'')
, g.5+-o.3 kg (21 +-3/4 _b.) . . . . . . . . . . . . 22.5 mm (o.ggr_)
8.OtO.8 kg ('18t1'/4 Ib.') . . . . . . . . . . . . 22.5 mm '(O.88''')
_ FUEL SYS7EM
FUej pUmp
Fuel pump, type l. Diaphragm pump . . . . . . . . . . . . . . . . . . . AC-UG
Fuel pump, type ll. Diaphragm pump . . . . . . . . . . . . . . . . . . . Pierburg APG
Fuel pump, type Ilt. Diaphragm pump . . . . . . . . . . . . . . . . . . AC-YD .
Fuel pressure. measured at same feigft as pump . . . . . . . . min. O.11 kg,__'cm' (1.5 Ib..fsq.in.)
maK. o.25 kg....1cm2 (3.5 _b../sq._jn.).
2_23 ,
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