Manitowoc MLC300 Guide

Manitowoc F2280-19
Published 07-21-21
MLC300 Lubrication Guide
See Section 2 of the MLC300 Service/Maintenance Manual
for hydraulic system servicing procedures.
NOTE 1 The hydraulic tank oil level can be checked
during operation in the hydraulic tank display on
the information screen in the cab (see MLC300
Main Display Manual):
• FULL COLD LEVEL
Approximately 16°C (60°F)
The screen should read 90%.
• FULL HOT LEVEL
Approximately 82°C (180°F)
The screen should read 100%.
Do not fill the tank to 100%. Oil will flow
out of the breather.
If the oil level drops to 80%, the fault alarm will
come on and the fault symbol will appear on the
active display screen. The HYDRAULIC FLUID
LOW icon will appear on the fault screen. Fill the
tank immediately.
NOTE 2 Fill the hydraulic tank:
• On current cranes only, through the fill cap or
fill plug opening (D19). If this method is used,
the oil must be filtered through an owner
supplied 10-micron filter.
• By pumping oil through the power-fill
coupling (D20). The oil will be filtered by
Filter 1.
Do not fill the tank through the breather port or
through the top of the return filter.
NOTE 3 Service the suction strainers when
the fault alarm comes on and the
suction pressure icon appears in
the fault bar of the main display.
NOTE 4 Replace the filter element when
the fault alarm comes on and the
corresponding filter icon appears
in the fault bar of the main display.
It is normal for this fault alert to come on at start-
up when the hydraulic oil is cold. The alert
should shut off as the oil warms up.
Item Description Required Service
Every 8 Hours of Operation or Daily Continued
D15 Pump Drive Dipstick Check level. Full at mark on dipstick.
D16 Pump Drive Fill Plug Fill to the proper level with gear oil.
D17 Diesel Exhaust Fluid (DEF) Tank (T4F engine only) Check level. Fill as needed according to Cummins engine
manuals
D18 Hydraulic Oil Level Sight Gauge Check level. Fill to full cold mark on decal next to sight
gauge (see NOTE 1).
D19 Hydraulic Oil Fill Cap or Fill Plug (current cranes only)
Fill to proper level with hydraulic oil (see NOTE 2).
D20 Hydraulic Oil Power-Fill Coupling
D21 Hydraulic Suction Strainers (4 each mounted in tank) Service when indicated and at each oil change interval
(see NOTE 3).
D22 Hydraulic Filter 1 (in tank return) Replace when indicated and at each oil change interval
(see NOTE 4).
D23 Hydraulic Filter 2 (2 for oil cooler circuit) Replace when indicated and at each oil change interval
(see NOTE 4).
D24 Hydraulic Filter 3 (for crawler motor flushing circuit) Replace when indicated and at each oil change interval
(see NOTE 4).
D25 Hydraulic Filter 4 (Drum 2) or Filter 5 (Drum 3) Replace when indicated and at each oil change interval
(see NOTE 4).
WARNING
Burn Hazard
The oil in the hydraulic tank may be under pressure and
extremely hot. Hot oil can escape when servicing
components.
• Allow the hydraulic system to cool before replacing
the breather or the hydraulic filters.
• Before opening the hydraulic tank for any reason,
relieve the tank pressure using either vent valve on
the top of the hydraulic tank.
FOR REFERENCE
ONLY

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English