Bukh DV36/48 Workshop Manual - page 195
009W2329-R01
V3
RECOMMENDED MAINTENANCE AND A CHECK LIST FOR BUKH ENGINES
1. Tightness of connections through hull:
CHECK
RECTIFY IF NEEDED
W
E
E
K
L
Y
M
O
N
T
H
L
Y
Y
E
A
R
L
Y
EVERY
5
YEARS
1.1 stern tube
hull connection
change sealing
X
2. Check of lubricating oil:
2.1 a engine
change oil
-
X
X
2.1.b engine
check oil level
-
X
2.2.a gearbox
change oil
-
X
2.2.b gearbox
check oil level
-
X
2.3 lubricating oil filter
change
-
X
3.
Check of cooling watersystem:
3.1
system
system to be full
fill up
X
3.2
anti freeze liquid
check for minus 25°C.
refill anti freeze liquid
X
3.3
cooling water connections tightness
for leaks
renew if leaking
X
3.4
condition of rubber hoses
cracks and leaks
renew
X
3.5
V-belt
for cooling water pump
adjust or renew
-
X
3.6
thermostat
renew after 5 years
-
X
4.
Check of fuel system:
4.1
supply line
clean water/fuel separa-tor
and check line bends
repair if damaged or
renew
X
4.2
fuel tank
drain for water
-
X
4.3
fuel filter
change
-
X
4.4
return line
check for bends & damages repair if damaged or
renew
X
5.
Check of remote control cables:
5.1
cables
check easy operation and
stroke sufficient
adjust cables
X
6. Check of propeller shaft arrangement:
6.1 rear stern tube bearing
check clearance for bearing
insert
renew insert
X
6.2 sufficient water flow to rear stern tube bearing
check that water holes in
bearing housing are not
blocked
clean holes
X
6.3 alignment of gear flange and prop.shaft flange
alignment to be within 0.05-
0.01mm
realign the engine
X
6.4
stuffing box seals
tightness
renew all three seals
X
6.5
condition of rubber tube for stuffing box
cracks
renew
X
6.6
Out-Board gearoil
.
oillevel
refill
X
6.7 propeller
check size and condition
renew if damaged
X
7.
Starting of the engine:
7.1
start with electrical start
engine start within 2
minutes
if malfunctions -the
engine must be ser-
viced by a mechanic
X
7.2
start with handstart
same
same
X
8. Engine maintenance
8.1 valve clearance
clearance
adjust
X
8.2 electric starter
rust protection of starter
drive
spray rust protection
spray
X
9.
Running with engine - check:
9.1
Idling speed
to be 900-1200 RPM
900-1200 RPM
adjust RPM
X
9.2
Full speed
unload / min. 3700 RPM
min. 3700 RPM
adjust RPM
X
9.3
Full speed loaded
with propeller
3300-3600 RPM
adjust RPM
X
9.4
Cooling water temp
. to be max. 75
degr. Celcius
max. 75°C
change termostat
X
9.5
Audible and visual alarms
check function
change senders, lamps
or switch
X
9.6
Lubricating oil pressure
min. 1.5 kg/cm² at idling
adjust oil relief valve
X
9.7
Gearbox change
from FW to Neutral to
ASTERN
check cables
adjust
X
10. Air supply:
10.1 air inlet filter
renew
-
X
11. Bateries:
11.1
level of liquid
check, refill
renew
X
X X
X
11.2
voltage conditon
charge
renew
X