Tennant 92 GR, Руководство оператора

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3-65555
92GR MM188 (11---87)
CYLINDER HEAD
CYLINDER HEAD
The proper sequence and torque values should be
used when reassembling the cylinder head. The
cylinder head bolts must be tightened in the proper
sequence after the first 50 hours of operation.
Hand torque cold M10 bolts to 50 to 55 ft lb (68 to 75
Nm) and M12 bolts to 80 to 85 ft lb (108 to 115 Nm)
in the correct order.
15 14 13 12 11
9 5 1 4 8
10 6 2 3 7
01472
CYLINDER HEAD BOLT TIGHTENING SEQUENCE
The cylinder head cap screws and risers must be
re---torqued after the engine is put into operation and
brought up to proper operating temperatures. To
re---torque cap screws, follow the correct sequence.
Loosen one head cap screw or riser at a time one
quarter turn (90 degrees); then re---torque it to the
correct value. Check the valve tappet clearance.
NOTE: Power wrench torque limit must be held at
least 10 ft lb (14 Nm) below hand torque
specification; then hand torque to the specifications.
VALVE TAPPET CLEARANCE ADJUSTMENT
The valve tappet clearance must be checked after
the first 50 hours of operation and after every 400
hours of operation.
Check and adjust the intake valve tappets to 0.014 in
(0.36 mm) clearance and the exhaust valve tappets
to 0.018 in (0.46 mm) clearance when the engine is
warm and is operating at idle speed.
01473
ADJUSTING VALVE TAPPET CLEARANCE