Operator`s manual
5. 
Check the resistance 
of 
the glow plugs. 
(.4 
to .6 ohms) 
6. 
Check the sea water pump for internal wear.  Examine the pump's cover, cam,  and internal housing. 
Replace worn parts as needed.  Check for leaks and repair as needed. 
NOTE: Items highlighted by 
an 
asterisk 
(*) 
should be performed 
by 
a competent mechanic. 
Servicing 
Aller 
Every 800 Hours 
01 
Operation 
*1. Remove and check fuel injectors. 
Injector spray pressure: 
1991 
psi + 140 psi 
(140 
kg/cm
2 
+ 
10 
kglcm
2
) 
Eliminate undesirable injection conditions including 
aller dripping. 
*2.  Check  the  engine's  compression pressure. 
Remove  each 
glow 
plug 
and 
check 
each 
cylinder's compression pressure.  The engine's 
cranking speed is at 280 rpm. 
Standard  Minimum 
POOR 
(i~~. 
f~~~: 
i'r. 
, 
... 
4
10104i 
....... ' 
--~dI\ 
GOOD 
455 psi 
(32 
kg/cm
2
) 
369.7 psi 
(26 kglcm
2
) 
(Maximum difference between cyfinders: 35.5 psi (2.5 kg/cm
2
) 
*3. Check the battery-charging alternator for proper operation. 
*4. Check the tightness of 
bolts, nuts, and clamps. 
Servicing 
Aller 
Every 1000 Hours 
of 
Operation 
1. 
Remove, clean, and pressure test the primary heat exchanger. 
(A 
local automotive radiator shop should 
be able to clean and test the heat exchanger.) 
NOTE:  Operating 
in 
silty and/or tropical waters may require that a heat exchanger cleaning 
be performed more often than every 
1000 
hours. 
*2. Check the injection pump's timing. 
Westerbeke 
Diesel 
Engines 
84 










