New Holland WorkMaster 50 Service Manual page 129

Drive shaft - Service instruction
NOTE: Please read this carefully before starting assembly
or disassembly operations.
Precaution at flange and tool ends
While hammering at flange and tool ends during re-
moval or installation, attention must be paid to the vari-
ous phases. Functioning and integrity of tool as well as
various components must not be endangered.
Reassembling methods
Adequate holding equipment should be used for re-
assembling group.
Lifting system will be necessary for reconnecting, disas-
sembling and reassembling the ring gear or for holding
the gear box.
Use cross section drawings to ease assembly and dis-
assembly operations.
Recommendations regarding lubrication
It is very important to use proper lubricants and to main-
tain a constant level of correct lubrication.
Right operational temperature is to be maintained.
Shaft seals
Respect the following recommendations during seal
and gasket assembly:
• Clean shaft very carefully and ensure that the part in
contact with the rings is not damaged, cut or out of
roundness.
• Assemble the seals so that the lips is fitted towards
the oil side.
• Lubricate seal lips (use oil ) and fill 3/4 of seal cavity
with grease.
• Use appropriate driver. Do not use a hammer di-
rectly on the seals.
• Do not damage the seals while assembling the shaft.
O-ring
Lubricate adequately before inserting them at the right
place so as to avoid rolling while assembling shaft.
Adjusting shims
Use appropriate adjusting shims and measure each
one separately.
Complete group measurement or stamping on the shim
is not always reliable check.
Transmission - Mechanical transmission
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