Yanmar 3GMD - OVERHAUL; Disassembly

202 C HAPTER TEN
Figure 5) and drain the
OVERHA UL
Disassembly
I. Remove the drain plug (A,
transmission oil.
2. The output flange retaining nut is staked (Figure 6).
Use a chisel to cut away the staked portion so the nut will
rotate.
NOTE
The output flange retaining nut has
left-hand threads.
3. Use a toolor other device to hold the output flange so it
cannot rotate.
4. Unscrew the output flange retaining nut
by rotating the
nut clockwise (left-hand threads).
5. Remove the oil dipstick (Fig
ure 7).
6. Remove the shifter retaining bolts (B, Figure 5) and
remove the shifter assembly.
7. Remove the transmission flange retaining bolts.
NOTE
In Step 8, position the transmission so the
transmission input shaji is up when remov-
ing the transmissionjlange so the transmis-
sion shafts will not fall out.
8. Tap on the transmission flange (A, Figu re 8) using a
soft-faced hammer to dislodge the flange. If tapping will
not dislodge the flange, install jackscrews
(8) into the