Manitowoc 2250 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-06-15, Control # 040-13 2-27
2250 SERVICE/MAINTENANCE MANUAL HYDRAULIC AND AIR SYSTEMS
2
AIR SYSTEM FILTER MAINTENANCE
General
Two styles of air filters are used on cranes: Type A and Type
B. This section describes maintenance of both filters.
Daily Maintenance
1. Open the manual drain valve at the end of each shift to
drain water and dirt from the filter.
2. If equipped, check the automatic drain valve periodically
during the day for proper operation.
Monthly Maintenance
Replace the filter element as follows:
NOTE: It is not necessary to remove the filter head from its
mounting to replace the element.
1. Stop engine and de-pressurize filter. If a shut-off valve is
provided, close the shut-off valve and open the manual
drain valve on the filter to vent the filter.
2. If a shut-off valve is not provided, open the drain valve
on the air tank(s) and on the filter to vent the air system.
3. See Figure 2-31
and disassemble the filter.
FIGURE 2-31
Type A Air Filter
Air
OUT
Air
IN
Type B Air Filter
Air
OUT
Air
IN
Air IN
P307
S128
S129
P308
Air IN
Item Description
1 Shut-Off Valve
2 Air Filter
3 Manual Drain Valve
4 Air Tank
5 Head
6 Element
7Gasket
8O-Ring
9Bowl
10 Deflector
11 Stud
12 Element Retainer
13 Base
14 Nut
15 Secondary Baffle
16 Primary Baffle
17 Automatic Drain Valve
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2
1
3
6
7
7
7
8
9
8
7
16
17
17
3
3
3

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English