Door Handle Plunger Adjustment; Latch Assembly; Measuring Travel Distance Of Plunger - Komatsu 930E-2 Shop Manual

Step B. If the door bucks back when trying to close it,
the striker bolt (2, Figure 2-4) has probably loosened
and slipped down from where the catch can engage
with the bolt.
1. Open the door and close both claws (3 & 5, Figure
2-4) on the catch until they are both fully closed.
FIGURE 2-4. LATCH ASSEMBLY
1. Cab
2. Striker Bolt
3. Upper Latch
2. Transfer the center of this opening onto the skin
of the cab nearest where the door jam bolt is
located. Use a T-square or other measuring
equipment and mark on the cab with a pencil.
NOTE: Release the door catch before trying to
close the door.
3. Loosen and vertically align (center) the door jam
bolt with this mark and tighten it firmly enough to
hold it in place but still allow some slippage.
4. Carefully try to close the door (4) and determine
if this has helped the "bucking" problem. If the
door latches but not firmly enough, follow proce-
dures listed previously in "Step A". If the door
latch does not catch, move the bolt outwards and
try again. When corrected, follow adjustment pro-
cedures listed in "Step A" to ensure a good seal.
By design, if both seals are in good condition,
proper adjustment of the outside seal will ensure
good contact on the inside seal to prevent dust
and moisture from entering the cab.
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4. Door
5. Lower Latch
Truck Cab

Door Handle Plunger Adjustment

If the door handle becomes inoperative, it can either
be adjusted or replaced. The following is a procedure
for adjusting the exterior door handle plunger.
1. Determine the amount of free play in the door
release plunger by pushing in on the plunger until
it just contacts the door release mechanism.
Measure the distance that the plunger travels
(Figure 2-5) from this position to where the
plunger is fully released.
FIGURE 2-5. MEASURING TRAVEL DISTANCE
OF PLUNGER
2. Remove door panel.
a. Remove hair pin clip (1, Figure 2-6) and bolt (2)
from the door check strap closest to the door.
b. Remove 2 capscrews (3), which hold the door
strap bracket to the door.
c. Disconnect wiring harness (4) to the window
regulator.
d. Open the door as far as possible in and remove
the internal door panel.
e. Before removing all door panel mounting
screws, support the panel to prevent the as-
sembly from dropping. Remove 15 mounting
screws (5).
NOTE: Remove panel screws across the top last.
NOTE: Door glass and internal door panel will drop
when door panel screws are removed.
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