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Manitou MHT 790 104JD H ST4 S1 - 500 D - Every 500 Hours of Service or Every Year; E - Every 1000 Hours of Service

Manitou MHT 790 104JD H ST4 S1
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3 - 26
E - EVERY 1000 HOURS OF SERVICE
Carry out the operations described previously as well as the following operations.
E1 FUEL TANK
CLEAN
Place the lift truck on level ground with the I.C. engine stopped.
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While carrying out these operations, do not smoke or work near a flame.
Never try to carry out welding or any other operation by yourself, as this could cause an explosion or a
fire.
- Inspect the parts susceptible to leaks in the fuel circuit and in the tank both visually
and by touch.
- In the event of a leak, contact your dealer.
- Place a container under drain plug 1 and unscrew the plug.
- Open the fuel filler access panel with the ignition key.
- Remove filling plug 2 to ensure that the oil is drained properly.
- Rinse out with ten litres of clean diesel through filler port 3.
- Refit and tighten the drain plug (tightening torque 72 to 88 N.m).
- Fill the fuel tank with clean diesel filtered through the filler port.
- Refit the filler plug.
E2 DRY AIR FILTER CARTRIDGE
CHANGE
In case of use in a heavily dust laden atmosphere, the cartridge replacement interval
must be reduced (to 250 hours in a heavily dust laden atmosphere).
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Change the cartridge in a clean location, with the engine stopped.
Never operate the lift truck without the air filter or with the air filter damaged.
If the air filter clogging indicator light comes on
, replace the cartridge with minimum delay
(maximum 1 hour).
- Open the engine bonnet.
- Loosen the bolts and remove cover 1.
- Pivot cartridge 2 towards the front and carefully remove to avoid spilling the dust.
- Leave the safety cartridge in place.
- The following parts must be cleaned with a damp, clean lint-free cloth.
The inside of the filter and cover.
The inside of the filter inlet hose.
The gasket surfaces in the filter and in the cover.
- Check pipes and connections between the air filter and the engine and the connection
and state of the clogging indicator on the filter.
- Before mounting, check the state of the new filter cartridge (see: 3 - MAINTENANCE:
FILTERS, CARTRIDGES AND BELTS).
- Tilt the cartridge approximately 5° towards the front, insert it into the filter and
position it by pressing the edges and not the middle.
- Refit the cover and ensure that the clips are properly secured. The cover should
fit on easily, if this is not the case, check the position of the cartridges in the filter.
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649010 EN/US/AU (15/12/2019)
MHT 790 104JD H ST4 S1
www.duma-rent.com

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