Manitowoc MLC300 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-22-17, Control # 257-02 2-23
MLC300 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
after the hydraulic oil warms up.
To replace Filter 4 or 5, proceed as follows:
1. Stop the engine.
2. Unscrew the filter bowl (1) from the head (4).
3. Drain the oil from the filter bowl and discard the oil
according to local environmental regulations.
4. Remove the filter element (2) with seal ring (3). Examine
the surface of the element for contamination residue and
larger particles. These can be an indication of possible
component damage.
5. Discard the filter element according to local
environmental regulations.
6. Clean the filter bowl (1) and the head (4).
7. Make sure the new filter element (2) and seal ring are (3)
not damaged.
8. Wet the sealing ring and the sealing surfaces on the
head and bowl with clean hydraulic oil.
9. Apply anti-seize compound to the threads of the filter
bowl.
10. Install the new filter element (2) with seal ring (3) in the
filter bowl.
11. Screw the filter bowl onto the filter head and tighten to 40
Nm (30 ft-lb).
12. Start the engine and check for leaks.
13. If needed, add oil to the hydraulic tank.
Servicing Suction Strainers
Each of the four suction lines to the pumps is equipped with a
suction strainer located inside the hydraulic tank.
Service the suction strainers when the fault
alarm comes on and the Suction Pressure icon
appears in the Fault Bar of the main display.
To service a suction screen, the hydraulic tank must be
drained.
See Figure 2-21
for the following procedure.
1. Remove the access cover (1).
2. Using a wrench, remove the suction strainer (2) from the
pipe nipple (3).
3. Soak the suction strainer in a clean, nonflammable
solvent. Brush off the outer surface, and flush the
strainer from the inside out.
4. Replace the suction strainer if it is damaged.
5. Reinstall the suction strainer.
FIGURE 2-20
On Left End of Free Fall Drums 2 and 3
Item Description
1Filter Bowl
2 Filter Element
3 Seal Ring
4 Filter Head
FIGURE 2-21
Item Description
1 Access Cover
2 Suction Strainer (qty 4)
3 Pipe Nipple (qty 4)

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English