Manitowoc 2250 Service And Maintenance Manual

Reference Only
HYDRAULIC AND AIR SYSTEMS 2250 SERVICE/MAINTENANCE MANUAL
2-4
Published 11-06-15, Control # 040-13
c. Thoroughly clean fill cap and screen in clean,
nonflammable solvent and blow dry with
compressed air.
d. Replace screen if it is damaged.
e. Install new gaskets, if necessary.
f. Assemble screen, gaskets, and flange to tank;
tighten screws evenly.
g. Securely fasten fill cap to flange.
Replacing Suction Filter Element
See Figure 2-3 for the following procedure.
The system faults alert will come on in the operator’s cab
when the filter elements are plugged with dirt (see Digital
Display Readings topic in Section 3 of the Operator Manual).
Replace both elements when the alert comes on and at each
oil change.
NOTE: Hydraulic tank does not have to be drained to
replace filter elements (except when changing oil).
1. Stop the engine.
2. Remove filter access cover.
3. Remove spring.
4. Lift filter assembly out of tank using insert.
5. Remove bypass spring assembly.
6. Remove filter element by twisting off and discard.
7. Clean magnetic core with a lint free cloth.
8. Check all seals for damage and replace if necessary.
9. Lubricate seals with clean hydraulic oil.
10. Install a new filter element.
NOTE: For ease of mounting, hold the element away from
the magnetic core until the stud is through the hole
in the bottom of the element. Then slide the
element up to securely seat it with the top of the
filter housing.
11. Install bypass spring assembly. Tighten nut until snug.
12. Reinstall filter assembly in tank housing.
13. Reinstall filter spring, gasket, and filter access cover.
14. Evenly tighten cap screws holding cover in place.
15. Perform steps 2
through 14 for the other element.
16. Fill hydraulic tank to specified level with proper hydraulic
oil (Section 9 of this manual).
Filter oil with a 10-micron element as oil is added to
tank.
FIGURE 2-3
Hydraulic Tank
(right corner of rotating bed)
Suction Filter
(2 each)
A465
View A
View B
Item
Description
1 Diffuser (2)
2 Clean-Out Cover
3Drain Valve
4 Insert
5 Filter Spring
6 Filter Access Cover
7 Fill Cap
8 Level Gauges
9 Clean-Out Cover
10 Magnetic Core
11 Stud
12 Nut
13 Bypass Spring
14 Filter Element
15 Seal
1
2
7
3
4
5
6
8
9
10
12
11
4
13
14
15
15

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English