Gravely 989003, Service Manual

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6.13 TRANSAXLE REMOVAL NOTE: If attachment is installed it will have to be
removed.
1. Remove the transmission.
2. Remove the PTO gearbox.
3. Disconnect the hi/low speed selector and
differential lock rods at the transaxle. See
Figure 36.
Shift lever bent and hitting unit frame Replace shift lever.
Shift rod grooves worn Replace shift rods.
Shift rod of improper length or grooving
installed Check rod length. Replace with correct part.
Constant mesh gears improperly installed on
counter shaft Reposition gears.
Axles cannot be turned (same direction) with unit in neutral gear
Axle housing not installed (or not tightened) Seal retainers are not properly sealed. Tighten axle housing bolts.
Burrs on gears Remove gear and hone smooth.
Parts missing Install missing parts.
Broken shifter stop allowing unit to be shifted
into two speeds at the same time. Replace snap rings on shift rod out of groove.
Thrust washers in wrong position. Recheck thrust washer and reposition, if wrong.
Bearings not pressed in deep enough Use the proper bearing tool to seat the bearing.
Unit Does Not Drive
Differential bevel gears broken Replace.
Stripped teeth on gears Replace.
Keys sheared in drive pulleys Replace.
Broken input gear Replace.
CAUSE REMEDY
Figure 35
1. Breather Plug
2. Pipe Cap
3. Axle Housing 4. Axle with Taper
5. Pivot Bracket
Weldment
1
2
3
4
5
PF1202
Figure 36
1. Differential Lock
2. Hi/Low Speed Selector