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[8-13 Parts Replacement Instructions ]
8-13-4
Replacement Procedure for the Check Valve Block Assembly
Explained below is the procedure for replacing the check valve block assembly.
(1) Remove the top compressor cover by unscrewing the three screws. (See Figure 1.)
Remove the compressor cover by unhooking the hooks on the back.
(2) Remove the front compressor covers by unscrewing the four screws. (See Figure 2.)
(3) Cut the two tie bands holding TH4 and TH15, and remove the wiring from the rubber bush on the left compressor cover.
(See Figure 3.)
(4) Remove the left compressor cover by unscrewing the two screws. (See Figure 4.)
(5) Remove the saddle and the rubber spacers on the compressor by unscrewing the screw. (See Figure 5.)
Compressor cover (top)
Figure 1
Figure 4
(6) Remove the coils, coil covers, pipe covers, and adjacent wirings of the four-way valves, solenoid valves, and LEVs. (See
Figures 6-1 through 6-3.)
Figure 6-1
HWE18220_GB
Rubber bush
Compressor
cover (left)
Compressor cover (front)
Figure 2
Rubber spacers
(2 pieces)
Screw to be
removed
Figure 5
Four-way valve coil (21S4a)
LEV coil
(LEV2a)
LEV coil
(LEV2b)
LEV coil
(LEV9)
Figure 6-2 (Four-way valve, solenoid valve, LEV coil, coil cover)
Figure 6-3 (adjacent pipe covers)
TH4
TH15
Figure 3
Saddle
Four-way valve coil (21S4b)
Solenoid
valve coil
(SV2)
LEV coil
(LEV2d)
Remove the adjacent pipe
covers.
*Save the pipe covers for
later use.
Cable tie
73
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