jcb 215 Service Manual

10 - 7
Air Conditioning
- System Diagnosis (cont'd)
Compressor Malfunction
Gauge Readings:
Low Side Gauge - High.
High Side Gauge - Low.
Diagnosis:
Internal compressor leak or compressor
mechanically broken.
Correction:
1. Evacuate A/C system.
2. Repair or replace compressor.
3. Charge system with R-134a.
4. Operate system and check performance.
Some Moisture in the System
Gauge Readings:
Low Side Gauge - Normal, then sometimes drops to
below zero.
High Side Gauge - Normal, then sometimes goes
high.
Diagnosis:
Moisture in system freezes, temporarily stopping
cycle, normal system operation returns when ice
melts.
Correction:
1. Evacuate A/C system.
2. Replace receiver-drier.
3. Remove moisture by repeatedly evacuating
system.
4. Charge system with R-134a.
5. Operate system and check performance.
LOW SIDE (Blue) HIGH SIDE (Red)
High Low
Section B Body & Framework
9803/3280
Section B
10 - 7
Issue 1
Fault Finding
LOW SIDE - 4.9 bar (5.0 kgf/cm
2
)(71 lbf/in
2
)
HIGH SIDE - 8.3 bar (8.5 kgf/cm
2
)(121 lbf/in
2
)
50
40
30
30
0
10
20
60
70
80
90
100
110
120
350
150
100
500
0
50
200
250
300
350
400
450
A268090
LOW SIDE (Blue) HIGH SIDE (Red)
Normal to low Normal to high
LOW SIDE - -2.1 bar (-2.1 kgf/cm
2
)(-30 lbf/in
2
)
HIGH SIDE - 14.8 bar (15.0 kgf/cm
2
)(214 lbf/in
2
)
50
40
30
30
0
10
20
60
70
80
90
100
110
120
350
150
100
500
0
50
200
250
300
350
400
450
A268020
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jcb 215 Specifications

General

Engine Power	74 hp
Rated Operating Capacity	2, 100 lbs
Lift Path	Vertical
Tipping Load	4, 200 lbs
Net Engine Power	74 hp
Width over Tires	1, 800 mm
Height to Top of Cab	2, 300 mm
Hinge Pin Height	2, 800 mm
Travel Speed	11 km/h
Travel Speed (High)	11 km/h