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 TM 55-1730-228-13&P
3-31. SOLENOID VALVES/ CARTRIDGES - REPLACE (Continued)
3-31
(2) Installation:
(a) Dip the cartridge (3) in clean hydraulic oil and screw into valve body (5).
(b) Tighten the cartridge (3) using a wrench on the large hex fitting closest to thevalve body (5).
(c) Attach leads (1) to solenoid (2) using the tags for identification. On lift cylinder solenoids, attach the connector
and secure with screw.
(d) Connect battery ground cable. Refer to para 3-17.
(e) Perform operational check for proper function.
b. CARTRIDGES:
(1) Removal:
WARNING
Some hoses may contain small amounts of trapped hydraulic pressure. Wear protective clothing including a face shield,
head gear and gloves. Fine streams of hydraulic fluid under pressure cannot be readily seen but can easily penetrate the
skin causing severe personal injury. Use extreme caution and be alert whenever breaking into a hydraulic system.
WARNING
Hydraulic fluid may be extremely hot. Allow the SPEMS to stand fifteen minutes before breaking into hydraulic system.
(a) Unscrew the cartridge (3) using a wrench on the large hex fitting closest to the valve body (5).
(b) Remove the cartridge (3) from the valve body (5).
(c) Plug the valve body to keep foreign matter from entering the system.
(2) Installation:
(a)
Dip the cartridge (3) in clean hydraulic oil and screw the cartridge into the valve body (5).
(b) Tighten the cartridge (3) using a wrench on the large hex fitting closest to the valve body.
(c) Connect battery ground cable. Refer to para 3-17.
(d) Perform operational test for proper function.
END OF TASK
3-79
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