The tractor warranty may be invalidated if non-genuine Challenger parts are fitted
The oil in the gear case also lubricates the governor
Disconnect and release the related wiring harness (with reference to WIRING HARNESS RAYOUT)
Group 10—Steering Valves
John Deere Precision Upgrades, Planter-Row Units, Fertilizer (North American) Operator’s Manual (OMA133442) Workshop Guide The tractor warranty may beFormat : PDF SUPPLIED AS DOWNLOADABLE LINK Manual Included: Operators Manual: 260 pages Specifications: Brand: John Deere Model: 1700, 1705, 1720, 1720 CCS, 1725, 1725CCS, 1730, 1735, 1750, 1755, 1760, 1765, 1770, 1770NT 12ROW, 1770NT 16ROW, 1770NT 24ROW, 1775, 1775NT 12ROW, 1775NT 16ROW, 1775NT 24ROW, 1780, 1785, 1790, 1795, DB44, DB60 24 Row, DB60 36 Row, DB60 47 Row, DB60 48 Row, DB66, DB80 32 Row, DB80 48 Row, DB88 48 Row, DB88, DB90 36ROW, DB120