McConnel SR460 - Engagement Test; Modifying & Shortening the Input PTO Shaft

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NOTE: When determining the minimum and maximum lengths and during subsequent verifications, it is
important to bear in mind that ground subsidence may cause further reduction or increase in the
distance between the PTO’s.
3.3.3 Engagement Test
Equipment Required
 Coloured tape
 Tape measure
 Marker pen or plastic scriber
It is important to test whether the shaft has been sufficiently shortened to make sure there is sufficient overlap
and engagement between the CV tubes by:
3.3.3.1 With the input PTO shaft attached, place the tractor and machine in the tightest corner possible, Dmax
(see Figure 3.5).
3.3.3.2 Place a piece of coloured tape on the inner shield 5mm (3/16”) away from the end of the outer shield.
3.3.3.3 Disconnecting the input PTO shaft and split the two CV tube halves.
3.3.3.4 Measure the distance between the coloured tape and the end of the inner shield. This gives the amount
of overlap between the CV tubes.
3.3.3.5 It is important that at least a 1/3 of the length of the inner shield is engaged with the outer shield. If it’s
too short then a new longer shaft should be fitted.
Please contact your local McConnel dealer for guidance on purchasing a new/replacement input shaft.
To effectively shorten and modify the input shaft see Section 3.3.4.
NOTE: When determining the minimum and maximum lengths and during subsequent verifications, it is
important to bear in mind that ground subsidence may cause further reduction or increase in the
distance between the PTO’s.
3.3.4 Modifying & Shortening The Input PTO Shaft
Bondioli & Pavesi, the manufacturer of the PTO shafts which comes with all SR460/620/820 machines do not
recommend modifications to its products. This is further supported by McConnel.
NOTE: Bondioli & Pavesi and McConnel declines all responsibility for damage and/or injury caused by
modifying ANY of the power take-off shafts on SR460/620/820 machines in any other way than described in this
manual. If you are unsure of the procedure, or need additional assistance, please contact your local
McConnel dealer, qualified service centre or McConnel.
Equipment Required
 Tape measure
 Marker pen or plastic scriber
 Hacksaw or angle grinder (with cutting disc)
 Flat hand file or angle grinder (with sanding disc)

NLGI
#2 Molybdenum Disulphide grease with paint brush/distributor