Removal And Replacement - jcb JS300 Service Manual

Removal
Note: Before removing any of the hoses from the
compressor, the system must be discharged. See
Refrigerant Charging and Discharging.
!M
WARNING
The air conditioning system is a closed loop system
and contains pressurised refrigerant. No part of the
system should be disconnected until the system has
been discharged by a refrigeration engineer or a
suitably trained person. You can be severely
frostbitten or injured by escaping refrigerant.
4-3-4-1_2
!M
CAUTION
Do not operate the air conditioning system when there
is no refrigerant in the system, otherwise the
compressor will be damaged.
4-3-4-4
!M
WARNING
Do not carry out welding operations close to the air
conditioning refrigerant circuit. A poisonous gas is
produced when refrigerant comes into contact with
naked flames. Do not smoke or allow naked flames
close to the refrigerant circuit.
BF-1-9
1 Label and remove hoses A from the compressor B.
2 Loosen the compressor drive belt tensioner C and
remove drive belt D.
3 Disconnect the wiring harness from the compressor
at E.
4 Remove the four capscrews G and remove the
compressor from the mounting bracket F.
B-31

Removal and Replacement

Replacement
Replacement is the reverse of the removal procedure.
Note: If the machine was not previously fitted with Air
conditioning a new engine mounting bracket must be fitted.
The Air Conditioning system should be recharged, see
Refrigerant Charging and Discharging.
9813/5100-1
Section B - Body and Framework
Air Conditioning Compressor
Removal and Replacement
D E F
C
Fig 1.
Item Nm
G 56
G A
B
lb/ft
42
B-31