Table 17-4. Preventive Maintenance Checks and Services
for Workboat, Lifesaving, and Firefighting Systems (Continued)
B - Before
D - During
A - After
D - Daily
H - Hourly Interval
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D
Replace top of filter and tighten with
T-handle. Clean any fuel oil spills.
Open fuel valves.
Barge 1. Open two fuel oil shutoff
valves closed in paragraph e above.
Barges 2 and 3. Open fuel oil shutoff
valves closed in paragraph e.
i. Vent fuel system.
Open vent screw, on top of engine-
mounted fuel filter bracket, about four
turns. Place container under fuel filter
to catch leaking oil.
Use hand operated pump extension
on bottom of fuel pump and pump fuel
until it flows freely, without bubbles,
j. Clean fuel oil spills.
k. Check V-belt tension by depressing belt
Belt tension is
midway between pulleys. Belt should
more than 3/8 in.
depress about 3/8 in. Belts must have
proper tension to get full alternator out-
Belts cracked or
put and proper cooling water tempera-
ture. Check belts for wear and cracks.
Replace both belts if there are any indica-
tions of deterioration. Never replace only
a. Check coolant level in heat exchanger by
Coolant level is
opening cap at front of engine. If neces-
below upper edge
sary, fill to upper edge of splash plate on
of splash plate.
the thermostat housing. Coolant must be
either a 50-50 mixture of fresh, clean
water, and corrosion-protective
antifreeze or fresh, clean water with a
corrosion-protective additive. If coolant
level is very low, check again after engine
has started and is idling. If necessary,
add additional coolant to bring level to
upper edge of splash plate on thermostat
Check three zinc anodes in engine cool-
ing system for wear. If worn more than
50 percent, replace with Volvo Pewnta
Check anode one on aft bottom end
of oil cooler on portside of block.