MTZ 952.2 - Page 196

Maintenance
MTZ series 900
196
Action 25. Checking the tightness of
the bolts of clamps of the CAC ducts
(MTZ-900.3/920.3/950.3/ 952.3)
Check, and, tighten, if necessary, the
bolts of clamps of the CAC ducts. The
tightening torque of the bolts of clamps
of the CAC ducts shall be from 10 to 15
Nm.
Action 26. Checking the air-tightness
of the pneumatic system lines
• Bring the pressure in the pneumatic
system to 6.0-6.5 kgf/cm
2
(as dis-
played by the indicator on the dash-
board) and stop the engine.
• Using the pressure gauge, check that
the pressure drop for 30 minutes does
not exceed 2.0 kgf/cm
2
. Otherwise, de-
tect the air leakage point and eliminate
the leakage.
Action 27. Rear PTO control
When switching from the “ON” position
to the “OFF” one and vice versa, the
force on lever (1) shall be within 120 –
150 N (12 – 15 kgf). Switching shall be
distinct.
Action 28
*
. Front wheel toe-in
The front wheel toe-in shall be within
the range 0 to 8 mm. If necessary, per-
form the adjusting operations according
to the recommendations given in the
section “Adjustments”.
*
Perform Maintenance action after 250 hours of
operation.