Great Wall hover, Руководство по обслуживанию

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6. Pump
Cautions: the following valves are installed in the pump cover:
solenoid valve 7
C1 eccentric valve ( only for early stage mode, no valve in M88)
torque converter control valve
torque converter regulating valve
primary regulating valve
The disassembly procedure of pump is shown as follows:
a. Remove the wire bunch fixing disc and use the special tools T30 to remove the solenoid valve 7.
b. Use the 8mm sleeve to remove 5 bolts and washers.
c. Use the tool NO.30 to remove 5 screws form the cover plate. It should notice that the odd number screw has the function of
connecting the pump body to the pump cover plate.
Caution:
Do not release the pump by the method of knocking the torque converter support.
d. Separate the pump body from the pump cover.
e. Lift the pump cover disc form the pump cover.
f. Remove two ball spool detection valves and a spring from the pump cover.
Caution:
Some valves and plugs are connected by the spring and may fall down form the housing when remove the pin.
g. Press down the socket inwardly to remove the fixed pin of 4 valves.
h. Take out 4 valves, plugs and springs.
i. Take out the pump gear form the gear.
j. Remove the edge sealing from front of pump when replace it.
7. Valve
The removal procedure of valve is shown as follows:
a. Use the special tools T40 T orxbit to remove the ratchet spring and retainer plate.
Caution:
The manual-operated valve may fall down form the valve.
b. Slide the manual-operated valve to out of lower valve.
c. Pay attention to the angle relationship between the electromagnetic end and valve, remove the solenoid valve and valve
assembly according to the following procedure :
Solenoid valve 1
Solenoid valve 2
Solenoid valve 3
Solenoid valve 4
Solenoid valve 5
Solenoid valve 6
d. Place the valve on the platform with the top upwardly.
e. Use the model NO.30 Special tools to remove the 24 fixing screw. Lift the upper valve and separating disk to separate the
upper valve form the lower valve
f. Reverse the upper part, place the separating disk on the platform upwardly.
g. Lift the separating disk and washer from the upper valve.
h. Remove 5 exposed nylon detection ball spools of valve.
i. Remove the locking nut disc, spring and reverse lock valve.
j. Remove two cleaners (and large nylon detection ball spool ) from the lower valve.
Caution:
Once the pin is removed, the disc in the valve may be loose and slid form the valve when reverse the valve.
k. Remove the locking nut disc and bolt form 1-2, 2-3, 3-4, BAR,CAR valve; the bolt can be removed by the bolt.
l. Remove the 1-2, 2-3 and 3-4 shift valve.