JLG G6-42A Service Manual - Manual (Page 109)

6-7 G6-42A, G9-43A, G10-43A
Transmission
6.5 ENGINE DRIVE PLATE
6.5.1 G6-42A - Before S/N 0160040678
G9-43A/G10-43A - Before
S/N 0160040675 excluding 0160040468
& 0160040672
a. Drive Plate Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the travel select lever in the (N) NEUTRAL
position, engage the parking brake and shut the
engine OFF.
Note: In order to remove the engine drive plates, the
engine and transmission must be separated.
2. Refer to Section 6.4.1, “Transmission Removal,” or
Section 7.9.1, “Engine Removal.”
3. Remove the eight bolts holding the drive plates (1) to
the flywheel.
4. With the drive plates and torque converter removed,
loosen and remove the six bolts and six lock
washers holding the three drive plates to the torque
converter.
5. Replace all three drive plates if damaged.
b. Drive Plate Installation
1. Install the three new drive plates on the torque
converter and torque the six bolts with lock washers
to 26-29 lb-ft (35-39 Nm).
2. Mount the drive plate/converter assembly to the
transmission.
3. Refer to Section 6.4.3, “Transmission Installation,”or
Section 7.9.2, “Engine Installation.” for the remainder
of the installation.
6.5.2 G6-42A - S/N 0160040678 & After
G9-43A/G10-43A - S/N 0160040675 &
After including 0160040468 &
0160040672
a. Drive Plate Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the travel select lever in the (N) NEUTRAL
position, engage the parking brake, and shut the
engine OFF.
Note: In order to remove the engine drive plates, the
engine and transmission must be separated.
2. Refer to Section 6.4.1, “Transmission Removal,” or
Section 7.9.1, “Engine Removal.”
3. Remove the four bolts holding the drive plates to the
flywheel.
4. With the drive plates and torque converter removed,
loosen and remove the four bolts (2) and eight lock
washers holding the two drive plates (3) to the
torque converter (4).
5. Replace both drive plates if damaged.
b. Drive Plate Installation
1. Install the two new drive plates on the torque
converter and install the four bolts with lock washers.
2. Mount the drive plates/converter assembly to the
transmission.
Refer to Section 6.4.3, “Transmission Installation,” or
Section 7.9.2, “Engine Installation.” for the remainder of
the installation.
MZ0580
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