NOREMAT Optima 51 - Page 42

Operator’s manual
Optima 51 / M51 / M56 / M57T / 60T
42
Dynapôle Ludres/Fléville, 166 rue Ampère/BP 60093 - 54714 LUDRES - FRANCE - Tél.+33 (0)3 83 25 69 60 - Fax. +33 (0)3 83 26 12 85
9 7Armshock-absorberandit’sreplacement
Principle of operation of arm shock-absorber :
1
gure 2.23
gure 2.24
machine orientation
assembly
machine orientation
cylinder
cylindrical
spring
3
2
1
If the tractor/cv is moving in reverse and meets an obstacle, there is a potentially damaging load
placed on the arm
1
(gure 2.23 and 2.24).
When all of the impact load is transferred to the orientation cylinder rod the shock absorber
assembly
2
pivots and absorbs the excess load on the cylinder rod. The spring
3
is then further
compressed.(gure 2.24).
The arm shock-absorber reduces the risk of future failures.
The arm will return to it’s original position immediately.
The replacement of the shock absorber assembly can only
be carried out by a NOREMAT technician.
It is under high pressure.
Operation and maintenance