3 - 20
C - EVERY 250 HOURS OF SERVICE
Carry out the operations described previously as well as the following operations.
C1 – OUTER BOOM CHAINS
CLEAN - GREASE - CHECK
MT 1840 …
IMPORTANT
These checks are important for the proper operation of the boom. In case of technical faults, consult your dealer.
CLEAN AND GREASE
- Set the lift truck on its stabilisers, with the boom horizontal.
- Fully extend the telescopes.
- Protect the underside of the telescopes.
- Wipe the outer boom chains 1 with a clean, lint-free cloth, then
examine them closely so as to detect any signs of wear.
- Vigorously brush the chains to get rid of any foreign matter, with a
hard nylon brush and clean diesel fuel.
- Rinse the chains by means of a paint brush impregnated with clean
diesel fuel and dry them with a compressed air jet.
- Lightly lubricate the chains (see: 3 - MAINTENANCE: LUBRICANTS AND
FUEL), and perform a number of telescoping movements to check
the behaviour of the chains.
CHECK THE TENSION
- Fully extend the telescopes, then retract the boom 200 mm.
- At the centre of both telescopes (T1) and (T2), use a ruler to measure
the perpendicular distance between the top of the telescope and the
underside of the chain, this distance must be identical for both chains.
• Telescope (T1): between 117 mm and 97 mm
• Telescope (T2): between 85 mm and 65 mm
1
1
T1
T2
C2 – CAB VENTILATION FILTERS
CHANGE
EXTERNAL CAB VENTILATION FILTER
- Remove protective casing 1 using the ignition
key.
- Lift out cab ventilation filter 2 and replace
it with a new one (see: 3 - MAINTENANCE:
FILTERS, CARTRIDGES AND BELTS).
- Refit the protective casing.
INTERNAL CAB VENTILATION FILTER
- Remove the protective grid 3.
- Lift out cab ventilation filter 4 and replace
it with a new one (see: 3 - MAINTENANCE:
FILTERS, CARTRIDGES AND BELTS).
- Refit the protective grid.
2
1
3
4
647563 (22/08/2017)
MT 1435/1440/1840 EASY 75D ST3B S1
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