Manitowoc 2250 Service Maintenance Manual

Reference Only
Manitowoc Published 07-19-16, Control # 249-01 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
See Figure 2-31 for the following procedure.
1. Open the manual drain valve (3) at the end of each shift
to drain water and dirt from the air filter (2).
2. If equipped, check the automatic drain valve (17)
periodically during the day for proper operation.
Monthly Maintenance
See Figure 2-31 for the following procedure.
Replace the filter element as follows.
NOTE: It is not necessary to remove the filter head (5)
from its mounting to replace the element (6).
1. Stop the engine and de-pressurize the filter. If a shut-off
valve (1) is provided, close the shut-off valve and open
the manual drain valve (3) 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. Use the diagram to disassemble the filter.
FIGURE 2-31
P307
S128
S129
P308
Item Description
1 Shut-Off Valve
2 Air Filter
3 Manual Drain Valve
4 Air Tank
5 Filter Head
6 Element
7Gasket
8 O-ring
9Bowl
10 Deflector
11 Stud
12 Element Retainer
13 Base
14 Nut
15 Secondary Baffle
16 Primary Baffle
17 Automatic Drain Valve
Type A Air Filter
Air Out
Type B Air Filter
Air In
Air In
Air In
Air In
Air Out
1
2
3
6
8
8
9
17
1
2
3
4
7
8
5
6
7
5
9
10
11
12
13
14
15
16
17
3
7
7
3
3

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English