ATLET A-Ergo, Service Manual

Page: 155 / 250

SERVICE MANUAL A-ERGO SERVICE MANUAL A-ERGO
Hy Hydr drau aulliic s c sys yste tem / m / R Re epa paiir r in inst stru ruct ctiio on ns / s / C Co on ntr tro ol v l val alve ve 8 8.2 .29 9
If the correct If the correct lowering speed has not been obtained (see lowering speed has not been obtained (see "Checking the lowering speed" "Checking the lowering speed"
on page 8.28 on page 8.28) adjust the lowering ) adjust the lowering speed valve mounted on the hydraulic valve, see pos. speed valve mounted on the hydraulic valve, see pos.
1 figure 1 figure 8.12 8.12, until the correct lowering speed is obtained. , until the correct lowering speed is obtained.
Adjusting the working pressure Adjusting the working pressure
1. 1. Place Place the m the max t ax truck ruck load load on t on the for he forks (s ks (specif pecified on ied on the tr the truck uck mach machine p ine plate). late).
2. 2. Uns Unscre crew th w the ad e adjust justin ing sc g screw rew, po , pos. 2 s. 2 see see figu figure re8.12 8.12, two turns to the left. , two turns to the left.
3. 3. At the At the same t same time a ime as the li s the lift func ft function fo tion for the fo r the fork ca rk carriag rriage is a e is actua ctuated, ted, screw screw in the in the
adjusting screw until the fork carriage begins to lift fr adjusting screw until the fork carriage begins to lift from the floor, and then screw om the floor, and then screw
in an additional ¼ of a turn and lock. in an additional ¼ of a turn and lock.
4. 4. Finall Finally y, perf , perform re orm repeat peated lift ed lifting ope ing operatio rations to e ns to ensu nsure that re that the lif the lifting ca ting capac pacity is ity is
sufficient. sufficient.
5 5.. S Seeaall!!
Emergency lowering valve Emergency lowering valve
The emergency lowering valve is used to lower the forks during power failure. The emergency lowering valve is used to lower the forks during power failure.
Warning! Warning!
Make sure the forks can be lowered s Make sure the forks can be lowered safely before the emergency lowering valve is afely before the emergency lowering valve is
opened. opened.
1. 1. Open Open the the emerg emergency ency loweri lowering va ng valve lve (3) u (3) using sing a 2. a 2.5 mm 5 mm hexa hexagon gon wrenc wrench. h.
2. 2. Tig Tighten hten the the emerg emergenc ency low y lowering ering valv valve (3 e (3) whe ) when th n the for e forks ks are lo are lowered wered..
Figure 8.12 Figure 8.12 Electrically operated proportional valve Electrically operated proportional valve
El El PropVent PropVent . . eps eps
1 1
2 2
3 3
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