9.
Clean valve housing sump, gasket surface and inside of two (2) adapter plates of oil and
contaminates
10.
Place new gasket or O-ring at each valve housing bolt flange
11.
Place new filter plate into each valve housing cavity position filter plates in cavities, as shown in
Fig 1, with arrows pointed toward front of valve housing
12.
Reinstall valve housing assembly to adapter plate castings
13.
Torque (16) bolts to 25-30 ft. lbs.
14.
Clean top surface of adapter plates and threaded studs
15.
Position new filter pad element around each stud and onto adapter plate
16.
Using grease supplied, apply a light coating onto O-rings and install onto threaded studs
17.
Apply a generous coat of grease on new cartridge gasket surface
18.
Thread new cartridge onto studs turning clockwise. When gasket contacts adapter plate, tighten
cartridge 1/2 turn.
DO NOT OVER TIGHTEN!
19.
Re-connect air line to air dryer inlet port
Micro Logic Timer Replacement (MLT)
item “G
”
#619790 (MLT Dryer Systems only)
1.
Disconnect power cord from electrical outlet or VDC power source
2.
Remove round locking screw by turning counterclockwise
3.
Remove MLT from stem of air control valve
4.
Install new MLT onto stem of air control valve
5.
Reinstall round locking screw by turning clockwise (hand tighten only)
6.
Reconnect MLT to electrical or VDC power source (timer will cycles)
Air Control Valve - MLT Dryer Systems
“E”
#619925 (two air lines)
#619755 (three air lines)
1.
Disconnect power from MLT
1.1.
With system pressurized, cycle dryer
several times turning small
brass screw from 12 o’clock position to 2 o’clock position approximately ¼ turn
(located right of MLT)
1.2.
If exhaust air burst
does not occur,
replace valve
1.3.
If exhaust air burst does occur,
turn screw back to original position
counter-
clockwise (screw slot must be in vertical position for normal operation)
1.4.
Failure of dryer to exhaust could also be due to malfunctioning MLT or purge
valve Refer to “MLT Dryer Systems Operation/Cycle & Problem Scenarios”
2.
If valve #619925 is diagnosed as faulty, replace as follows:
2.1.
WARNING
: Relieve all system air pressure
2.2.
Unplug MLT from power source
2.3.
Remove two (2) air lines connected to fittings in air valve
2.4.
Remove plastic retaining nut and MLT from valve stem and set aside
both for re-assembly later
2.5.
Remove three (3) screws holding valve to manifold. Remove valve
and discard
2.6.
Install new push connect air line fittings to open ports of new valve
2.7.
Install new small O-ring on top of valve (use small amount of grease to hold in place)
2.8.
Attach valve to manifold with three (3) screws included within kit
2.9.
Tighten screws to 15-20 in lb.
2.10.
Re-connect two (2) air lines to push connect fittings in back ports of valve
29
Содержание SFD
Страница 1: ...SFD Air Dryer Owner s Manual 10 09 2014...
