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Service - Page 24
B
C
A
Chain stretcher
RT 1140-1150 model
Automatic chain stretcher regulates the tension of the
drive chain.
RT 1240-1250-1160-1160 H and 1260 model
A special mechanical chain stretcher regulates the ten-
sion of the drive chain (A). If there is too much play, then
you must loosen lock nut (B) and tighten screw (C) as
much as necessary.
Then tighten lock nut which locks the adjustment screw
into place.
Service intervals
Every 50 working hours:
• Tighten mast brackets bolts.
• Tighten skid shoe bolts.
Replacing tines
CAUTION: To prevent injury: Wear heavy gloves when replacing tines.
To get the best performance from your tiller:
• Replace badly bent, worn, or broken tines immediatly.
• Replace worn or broken hardware (see your Frontier dealer for correct hardware).
• MAKE SURE to replace tines on ONE spindle at time to keep spiral tine pattern.
• Tine cutting edge MUST BE facing forward in direction of tine rotation.
Fine pitch screws CLASS
6.6 8.8 10.9 12.9
M8 x 1 15 (11) 26 (19) 36 (26.5) 44 (32.5)
M10 x 1.25 30 (22) 52 (38) 74 (54) 88 (65)
M12 x 1.25 51 (37.5) 91 (67) 127 (94) 153 (113)
M14 x 1.5 81 (60) 143 (105) 201 (148) 241 (178)
M16 x 1.5 120 (88) 214 (158) 301 (222) 361 (266)
M18 x 1.5 173 (127) 308 (227) 433 (319) 520 (384)
M20 x 1.5 242 (178) 431 (318) 606 (447) 727 (536)
M22 x 1.5 321 (237) 571 (421) 803 (592) 964 (711)
M24 x 2 411 (303) 731 (539) 1028 (758) 1234 (910)
M27 x 2 601 (443) 1070 (790) 1504 (1110) 1806 (1333)
M30 x 2 832 (614) 1480 (1090) 2081 (1535) 2498 (1843)
Bolts tightening torques - settings given in Nm (lb-ft)