WG24 Operator’s Manual
6. Tighten all 8 nuts until the proper spring height dimension values are achieved per the “
PTO
Shaft Clutch Spring Height vs. Horsepower
” table for your PTO output horsepower. It is
recommended that a calliper (either digital, dial, or vernier—similar to the one shown below)
be used to accurately verify the spring height measurements. After setting all 8 spring
heights, the clutch is now ready for use.
All ratings are at 540 rpm PTO speed
7. The clutch should be checked during the first hour of use and periodically each week
thereafter. Excessive clutch plate slippage, burning odour, or visible smoking should not be
observed during use.
PTO Shaft Clutch Spring Height vs. Horsepower
PTO Shaft
Clutch Flange
Dia
PTO hp
Spring Height
Total Output Torque
5S.FF2
7-
⅝
” (200 mm)
20 hp
1.26” (31.9 mm)
195 ft•lb (265 N•m)
25 hp
1.25” (31.7 mm)
243 ft•lb (330 N•m)
30 hp
1.24” (31.4 mm)
292 ft•lb (396 N•m)
35 hp
1.22” (31.1 mm)
341 ft•lb (462 N•m)
45 hp
1.20” (30.5 mm)
443 ft•lb (600 N•m)
WG24-MY2019: Rev A
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Typical vernier calliper
Summary of Contents for WG24
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