Mercury 2.8 Diesel, Operation & Maintenance Manual

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Section 4 - Maintenance
90-8M0113987
eng
DECEMBER 2015 Page 51
3. If the coolant is low in the coolant expansion tank, add the specified coolant as necessary to bring the level to within 25 mm
(1 in.) of the bottom of the fill neck or between the upper and lower marks, if applicable.
a - Pressure cap
b - Bottom of fill neck
Description Where Used Part Number
Mercury Extended Life Antifreeze Closed‑cooling system 92‑877770K1
IMPORTANT: When installing the pressure cap, be sure to tighten it securely to prevent coolant loss.
4. Install the pressure cap. Tighten securely.
Changing
Change (replace) the engine coolant at the prescribed interval. See
Replacing the Engine Coolant in the Closed
‑
Cooling
System
.
2.8 Air Filter
Removal
IMPORTANT: Keep gear lube monitor bottle in an upright position to prevent fluid from spilling.
NOTE: It is not necessary to drain the gear lube monitor to perform this procedure.
1. Remove the gear lube monitor retaining strap and remove the gear lube monitor from the bracket and set aside.
2. Remove the air filter cover retaining nut from the gear lube monitor bracket on the air filter.
3. Remove the gear lube monitor bracket.
a - Gear lube monitor
b - Gear lube monitor retaining
strap
c - Gear lube monitor bracket
d - Air filter cover retaining nut
e - Gear lube monitor bracket
retaining bolts
4. Remove the air filter cover.
NOTE: It is not necessary to remove the air filter bracket mounted on the turbocharger inlet.
a
b
23248
ee
d
c
a
b
26147