Maintenance Schedule - Onan MDJF Series Operator's Manual And Parts Catalog

MAINTENANCE SCHEDULE
Use this factoiy recommended maintenance (based on
favorable operating conditions) to serve as a guide to
get long and efficient set life. Neglecting routine main-
tenance can result in failure or permanent damage to the
set. Maintenance is divided into two categories: (1) OPER-
ATOR MAINTENANCE - performed by the operator and
(2) CRITICAL MAINTENANCE - performed by qualified
service personnel.
CRITICAL MAINTENANCE SCHEDULE
OPERATOR MAINTENANCE SCHEDULE
M A I N T E N A N C E I T E M S
O P E R A T I O N A L H O U R S
M A I N T E N A N C E I T E M S
8 100 200
6 0 0 3 0 0 0
I n s p e c t U n i t
X
C h e c k Water L e v e l ( H e a t
E x c h a n g e r M o d e l s )
X
I n s p e c t E x h a u s t S y s t e m
x6
C h e c k F u e l Supply
x3
C h e c k O i l L e v e l
X
C l e a n G o v e r n o r L i n k a g e
x2
Change C r a n k c a s e O i l
X
D r a i n F u e l System C o n d e n -
s a t i o n T r a p s
x3
C h e c k B a t t e r y
X
R e p l a c e O i l F i l t e r
X
Change P r i m a r y F u e l F i l t e r x3
Change Secondary F u e l
F i l t e r
x3
Empty F u e l S e d i m e n t B o w l
X
M A I N T E N A N C E I T E M S *
O P E R A T I O N A L H O U R S
M A I N T E N A N C E I T E M S *
200 500 1000 2 0 0 0 5 0 0 0
C h e c k S l i p R i n g s
X
C h e c k B r u s h e s x l
C h e c k C o m m u t a t o r
X
C h e c k V a l v e C l e a r a n c e
*
X
I n s p e c t Water Pump F / L e a k s
a n d Wear, R e p l a c e i f
N e c e s s a r y
X
C l e a n G e n e r a t o r
X
G r i n d V a l v e s ( I f R e q u i r e d )
X
C l e a n Rocker B o x O i l L i n e
H o l e s
X
C h e c k N o z z l e O p e n i n g
P r e s s u r e , Spray P a t t e r n
x 4
G e n e r a l O v e r h a u l ( I f R e q . )
X
C h a n g e F u e l F i l t e r s
x 5
x Perform as indicated on T a b l e .
xl Replace collector ring brushes when worn to 5 / 1 6 " ,
replace commutator brushes when worn to 5 / 8 " .
x2 Perform more often in extremely dirty conditions.
Lubricate the old style linkage. Plastic ball type
require only cleaning. It may be advantageous to
replace the old style metal linkage with the plastic
ball type in extremely dirty operating conditions.
x3 Water or foreign material in the fuel can ruin the
injection system. If daily inspection shows water or
dirt in the fuel pump sediment bowl, fuel handling and
storage f a c i l i t i e s should be checked and situation
corrected. Filter elements should be replaced f o l l o w i n g
corrections of fuel contamination problems.
x4 T h i s service must be conducted by trained diesel
injection equipment personnel with suitable test f a c i l i -
ties. Omit this service until these conditions can
be met.
x5 Service per Operator Maintenance Schedule.
x6 With plant running, visually and audibly check exhaust
system for leaks.
* Tighten head bolts and adjust valve clearance after
f i r s t © hours on a new or overhauled engine.
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For critical items not covered, see page 2 ' (A Major
Service Manual is available).
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