3 - 31
F3 – HYDRAULIC OIL
DRAIN
F4 – BREATHER FOR THE HYDRAULIC OIL TANK
REPLACE
F5 – SUCTION STRAINER FOR HYDRAULIC OIL TANK
CLEAN
F6 – BRAKE ACCUMULATOR UNIT FILTER
REPLACE
Place the lift truck on level ground with the engine stopped and the boom fully retracted
and lowered then remove the pressure from the circuits by acting on the hydraulic controls.
IMPORTANT
Before carrying out any operation, thoroughly clean the area surrounding the drain plug, the suction strainer
and the outside of the filter on the hydraulic tank.
Use a clean container and funnel and clean the top of the oil drum before filling.
Dispose of the drain oil in an ecological manner.
DRAINING THE OIL
- Remove the protective casing 1.
- Place a container under drain plug 2 and unscrew the plug.
- Open the hydraulic oil filler access panel with the ignition key.
- Remove the filler cap lock 12.
- Remove the filling plug 3 to ensure that the oil is drained properly.
REPLACING THE BREATHER
- Unscrew the breather 4 and replace it with a new one (see: 3 - MAINTENANCE:
FILTERS, CARTRIDGES AND BELTS).
CLEANING THE STRAINER
- Disconnect hose 5.
- Remove and clean the suction strainer 6 using a compressed air jet, check its condition
and replace if necessary (see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Refit the suction strainer making sure the seal is in the correct position.
REPLACING THE BRAKE ACCUMULATOR UNIT FILTER
- Unscrew and remove the two fastening screws 7 and retaining ring screw 8 to free
the accumulator block sufficiently.
- Unscrew plug 9, remove the filter and replace with a new one.
- Refit and tighten plug 9 (tightening torque 70 to 80 N.m).
- Refit and tighten the two fastening screws 7 and retaining ring screw 8.
FILLING UP THE OIL
- Refit and tighten the drain plug 2 (tightening torque 29 to 39 N.m).
- Fill up with oil (see: 3 - MAINTENANCE: LUBRICANTS AND FUEL) through filler port 10.
-Observe the oil level on dipstick 11; the oil level should be at the level of the black point.
- Check for any possible leaks at the drain plug.
- Put back the filler plug 3.
HYDRAULIC CIRCUIT DECONTAMINATION
- Let the engine run (accelerator pedal at mid position) for 5 minutes without using
any accessories on the lift truck, then for 5 more minutes while using all the hydraulic
movements (except the steering system and the service brakes).
- Accelerate the engine at full speed for 1 minute, then activate the steering system
and the service brakes.
1
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9
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647104
(13/06/2016)
MT
835
/ 1135
/ 1335
ST3B
Summary of Contents for MT 1135 ST3B
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Page 32: ...2 1 2 DESCRIPTION 647104 13 06 2016 MT 835 1135 1335 ST3B...
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Page 104: ...3 1 3 MAINTENANCE 647104 13 06 2016 MT 835 1135 1335 ST3B...
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Page 146: ...4 1 4 OPTIONAL ATTACHMENTS FOR USE WITH THE RANGE 647104 13 06 2016 MT 835 1135 1335 ST3B...
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