Hitachi 240353 Heat Pump User Manual


 
308-845 9
Maintenance
See the separate component instruction manuals for individual component maintenance procedures.
Access to some system components requires that you remove the shields. The following steps are for shield
removal. Shield replacement is the reverse of these steps, so make sure you take notes on the proper hose
connections. Depending on your system, see the
Parts Drawings
on pages 1
1 and 13 for number call-outs.
Front Shield Assembly (1)
1.
Disconnect the pump air hose from the pump air
regulator.
2.
Disconnect the gun air hose from the gun air
regulator.
3.
Loosen, but do not remove, the two front pump
foot screws (24).
4.
Loosen, but do not remove, the two top shield
screws (32).
5.
If your system has a fluid pressure regulator (50),
make sure the T–handle is horizontal.
6.
Pull the front shield assembly free of the system.
Fig. 2
8263A
Ref.
No. Part No. Description Qty.
1a 192–995
SHIELD, front
1
1b 111–804 REGULATOR, air
See instruction manual 308–167
2
1c 160–430 GAUGE, pressure 2
1d 114–362 VAL
VE, ball
1
1e 159–840 ADAPTER 2
1f 188–077 NIPPLE 1
1g 114–369
FITTING, tube
1
1h 114–370
FITTING, tube
1
Front
Shield Assembly Orderable Parts
1a
1b
1c
1d
1e1f
1g
1h
pump
air
regulator
gun air
regulator
Back Shield (25)
1.
Disconnect the gun fluid hose from the fluid
pressure regulator nipple (28) or surge tank
nipple (7).
2.
Disconnect the hose (16) that runs from the fluid
pressure regulator or surge tank (50) to the elbow
(40) on the pump outlet.
3.
Loosen, but do not remove, the two top shield
screws (32).
4.
Loosen, but do not remove, the two back pump
foot screws (24).
5.
Pull the back shield free of the system. The fluid
pressure regulator or surge tank (50) stays
mounted to the back shield.
Gauge Lense Covers
Clear
, stick-on/peel-off lense covers are available for
the gauges. These covers protect the gauge lenses
from spray
. When they get too dirty to read the
gauges, they can be peeled of
f, discarded, and
replaced. Order as follows:
240–441
for 2.5-inch gauges; package of 25
sheets, 12 lense covers to a sheet
240–442
for 2-inch gauges; package of 25
sheets, 12 lense covers to a sheet