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MAINTENANCE
1) Wipe off all grease fittings with a clean cloth
before adding grease in order to avoid injecting
dirt and sand.
2) Repair or replace damaged grease fittings.
3) Lubricate all grease fittings every 8 hours of
operation.
4) Oil drive chain every 8 hours of operation.
5) Lubricate P.T.O. shaft as indicated below:
Pull out the P.T.O. and lubricate between the two
tubes with low temperature grease. Drive line
tubes must slide easily even in cold weather. Clean
off old hardened grease and apply fresh grease as
needed.
6) Check oil level in gear box once a month. Adjust
to required oil level as per drawing in Parts List
section.
Use SAE 80W90 oil.
7) Check tension of drive chain every 24 hours of
operation and adjust if necessary.
8) Check for tightness of bearing collars every 48
hours of operation.
9) Change gearbox oil once a year. Adjust to required
oil level as per drawing in Parts List section.
Use
SAE 80W90 oil.
10) Check all nuts and bolts once a year. If necessary
use torque chart on page 28.
11) For the auger drive shaft, always use a grade 5
shear bolt.
12) For the PTO shaft, always use a grade 8.8 shear
bolt at 540 RPM.
13) UHMW slides do not require lubrification except
at the end of the season in order to prevent corro-
sion of steel components that are in contact with
the UHMW material.
6
Summary of Contents for P-INV-74
Page 1: ...P INV 74 No C3002 05 2010 OPERATOR S PARTS MANUAL Snowblowers Models ...
Page 2: ...Copyright Les Machineries Pronovost Inc 2010 All rights reserved Printed in Canada ...
Page 4: ......
Page 10: ... 10 DECALS cont d 3 Figure13 Figure12 Decal H Part no 190 10991 G H Figure14 Part no A108 ...
Page 19: ... 19 SNOWBLOWER P INV 74 10 170 05463 ...
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