Models
Revision 03-2012
18
Toucan 1210
Toucan 1310
- L
ACK
OF
OIL
When a failure is due to lack of oil, deteriorations are
usually rapid. This type of failure may occur if :
- the oil level is low in the reservoir, or
- there is an air leak in the suction line.
- E
XCESSIVE
HEAT
Excessive heat will harden the seals.
Excessive heat may be caused by a pressure relief
valve set too low, in which case, the machine will be
slow.
- O
IL
PRESSURE
TOO
HIGH
There are two possible causes for overpressure :
- the pressure relief valve fails to function,
producing an extreme surge and immediate
failure.
- The pressure relief valve is set too high,
resulting in repeated pressure peaks. Pump
damage is very similar in both cases.
- I
NCORRECT
ASSEMBLY
This type of failure is self explanatory : components are
faulty, or parts have not been assembled correctly.
Pinching of the O-ring will occur if it is not seated
properly in its groove. If the O-ring has been fitted
incorrectly, the surface of the housing will show a
depressed area (especially if the part is made of
aluminium).
5- Remove the seals
NOTE
Align the seals in the order they were removed,
mark their position and shape to facilitate
later assembly.
6- Clean the pump components with an
appropriate solvent and dry with compressed
air. Replace the seals.
If components are damaged, replace the pump.
Avoid scratching the grooves and gland
surfaces.
Inspect each groove before assembly.
Parts must be free from dust and burrs.
Grooves and gland surfaces must be in good
condition. Worn or damaged parts must be
replaced. Do not stretch seals during their
assembly. Lubricate seals and gland surfaces
with clean hydraulic oil before assembly.
7- Assemble the pump in the reverse order from
disassembly.
Bolt torque value (Rep. 1) = 22 Nm
Bolt torque value (Rep. 2) = 44 Nm
Respect scrupulously the bolt torque value
(Rep. 1) and (Rep. 2). Incorrect torquing will
affect the performance of the pump.
After pump installation, operate the work
platform to bleed the air from the hydraulic
circuit and check the oil level in the main
reservoir (machine fully lowered). Check the
good working order of all the control panels.
HYDRAULIC SYSTEM
3
3
! CAUTION
! CAUTION
! CAUTION
! CAUTION
Содержание TOUCAN 1210
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