MG Midget J1 1933 Instruction Manual page 10

T h e M a n u a l
of the
M.G. Midget
T h e first t h i n g t h a t t h e o w n e r will w a n t t o k n o w c o n c e r n i n g his C a r will
b e t h e v a r i o u s l u b r i c a n t s t h a t a r e r e c o m m e n d e d b y t h e m a k e r s a n d t h e p o i n t s
of t h e chassis t h a t r e q u i r e a t t e n t i o n .
T h e e n g i n e
oil
filler is s i t u a t e d o n t h e
off
s i d e of t h e e n g i n e a l o n g s i d e w h i c h t h e r e is a d i p stick.
Under no circum-
stances should the Car be driven fast on the lower gears or exceeding 35 miles
an hour on top gear during the first 500 miles.
At
t h e e n d
of
this p e r i o d t h e
e n g i n e oil s h o u l d b e d r a i n e d a n d t h e b a s e c h a m b e r refilled with n e w oil. T h e
oil filter which will b e r e f c r r e d t o l a t e r s h o u l d b e r e m o v e d a n d w a s h e d o u t
w i t h p e t r o l , t h i s s h o u l d b e a g a i n a t t e n d e d t o a f t e r t h e first
1,000
m i l e s a n d
e v e r y s u b s e q ~ ~ e n t
1,000
miles.
I t is i n a d v i s a b l e t o r u n
: I
c o l d e n g i n e fast u n t i l t h e oil h a s h a d a n
o p p o r t u n i t y
of
circulriting a n d w a r m i n g u p aufficientl!. in o r d e r t o c i r c u l a t e
freely t h r o u g h t h e
oil
passage ways t h r o u g h o u t t h e e n g i n e . T h e p u m p is
c a l l e d u p o n t o s u c k f r o m t h e base c h a m b e r o r s u m p ,
oil
w h i c h h a s b e c o m e
t h i c k w i t h s t a n d i n g , p a r t i c u l a r l y i n c o l d w e a t h e r . I t m a y b e n o t i c e d t h a t
t h e
oil
g a u g e will s h o w t h a t t h e p r e s s u r e d r o p s as t h e s p e e d increases if t h e
e n g i n e is d r i v e n a t all fast w h e n c o l d . T h i s is a n i n d i c a t i o n t h a t t h e
oil
h a s
n o t b e c o m e sufficiently t h i n t o pass i n t o t h e p u m p in s u f i c i e n t q u a n t i t y a n d
t h e s p e e d
of
t h e C a r t h e r e f o r e s h o u l d b e k e p t d o w n u n t i l s u c h a t i m e as t h e
r
>
oil p r e s s u r e r e m a i n s c o n s t a n t .
I
h e p u m p lubric:~tes t h e w h o l c of t h e e n g i n e
i n c l u d i n g t h e valve g e a r . U p p e r c y l i n d e r l u b r i c a n t is r e c o m m e n d e d d u r i n g
th'e r u n n i n g i n p e r i o d , a n d s h o u l d b e a d d e d t o t h e fuel in t h e q u a n t i t y
r e c o m m e n d e d b y t h e m a n u f a c t u r e r s .
A
list of t h e s e o i l s is g i v e n o n p a g e
5.
J / A PAGE THREE