Progressive Turf Equipment 13921943, Operator'S Manual And Parts List

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14
MAINTENANCE SAFETY
:

Never work on mower without safety locks in place, if decks are in raised
position.

Keep tractor and mower in good operating condition and all safety devices
in place.

Frequently check blade mounting bolts for tightness.

Periodically check to ensure that all bolts are tight and that all nuts, screws
and cotter pins are properly installed to ensure mower is in a safe condition.
PROPER TORQUE FOR FASTENERS
:
The chart lists the correct tightening torque for fasteners on Progressive
Turf Equipment mowers. When bolts are to be tightened or replaced, refer
to this chart to determine the proper torque except when specific torque
values are assigned in the manual. Only SAE Grade 5 fasteners are to be
used in the assembly of this machine, or as otherwise specified in this
manual.
Bolt Head Markings
SAE Grade 2 SAE Grade 5 SAE Grade 8
(No Dashes) (3 Dashes) (6 Dashes)
Recommended Torque in Foot Pounds (Newton-Meters)
Bolt Diameter (in.) SAE Grade 5
5/16 21 (28)
3/8 38 (52)
7/16 55 (75)
½ 85 (115)
9/16 125 (170)
5/8 175 (240)
¾ 300 (410)
7/8 450 (610)
1 680 (925)
1” L.H. Spindle Nut
60 (82)