Doosan D50S-5 Operation & Maintenance Manual page 197

6. 6. Check the fork mountings (K) for wear, crushing Check the fork mountings (K) for wear, crushing
and other local deformation, which can cause and other local deformation, which can cause
excessive side to side wobble of the forks. excessive side to side wobble of the forks.
Excessive clearance on hook type forks may Excessive clearance on hook type forks may
allow them to fall from the carrier. Forks which allow them to fall from the carrier. Forks which
show visible signs of such damage should be show visible signs of such damage should be
removed from service. removed from service.
7. 7. Check the positioning lock and other fork Check the positioning lock and other fork
retention devices to make sure they are in place retention devices to make sure they are in place
and working. and working.
Hook type forks use a spring loaded pin (M), Hook type forks use a spring loaded pin (M),
located in the top hook, to engage notches in the located in the top hook, to engage notches in the
top carriage bar to hold the fork in place. top carriage bar to hold the fork i
When adjusting the fork spacing, the forks are When adjusting the fork spacing, the forks are
prevented from sliding off the end of the carriage prevented from sliding off the end of the carriage
by stop blocks. These stop blocks are at both by stop blocks. These stop blocks are at both
ends of the carriage and in the path of the ends of the carriage and in the path of the
bottom fork hook. The load backrest extension bottom fork hook. The load backrest extension
may be used in place of the stop blocks in some may be used in place of the stop blocks in some
cases. cases.
Every 2500 Service Hours or 15 Months Every 2500 Service Hours or 15 Months
You must read and understand the warnings and instructions contained in the Safety section of this manual, You must read and understand the warnings and instructions contained in the Safety section of this manual,
before performing any operation or maintenance procedures. before performing any operation or maintenance procedures.
Inspect Battery System Inspect Battery System
Clean battery outer surfaces with a mixture of Clean battery outer surfaces with a mixture of
 
baking soda and water. baking soda and water.
Inspect battery outer surfaces for damage and Inspect battery outer surfaces for damage and
 
replace as necessary. replace as necessary.
Remove battery cable and clean, repair and/or Remove battery cable and clean, repair and/or
 
replace as necessary. replace as necessary.
n place.
196 196
Checking the TMAP Sensor (LP Checking the TMAP Sensor (LP
Engine Only) Engine Only)
1. 1. Verify that the TMAP sensor (2) is mounted
Verify that the TMAP sensor (2) is mounted
tightly into the manifold adapter (3), with no tightly into the manifold adapter (3), with no
leakage. leakage.
2. 2. If the TMAP is found to be loose, remove the If the TMAP is found to be loose, remove the
TMAP retaining screw and the TMAP sensor TMAP retaining screw and the TMAP sensor
from the manifold adapter. from the manifold adapter.
3. 3. Visually inspect the TMAP O-ring seal for Visually inspect the TMAP O-ring seal for
damage. Replace damage.
4. 4. Apply a thin coat of an approved silicon lubricant Apply a thin coat of an approved silicon lubricant
to the TMAP o-ring seal. to the TMAP o-ring seal.
5. 5. Re-install the TMAP sensor into the manifold Re-install the TMAP sensor into the manifold
adapter and securely tighten the retaining screw. adapter and securely tighten the retaining screw.
parallel with the floor. Place two straight parallel with the floor. Place two straight
bars that are the same width as the bars that are the same width as the
carriage, across the forks as shown. carriage, across the forks as shown.
b. b. Measure the distance from the bottom of Measure the distance from the bottom of
each end of the two bars to the floor. The each end of the two bars to the floor. The
forks must be parallel within 3 mm (.12 in) forks must be parallel within 3 mm (.12 in)
for Full Tapered and Polished (FTP) forks, for Full Tapered and Polished (FTP) forks,
all other forks 6.4 mm (.25 in), for their all other forks 6.4 mm (.25 in), for their
complete length. complete length.
c. c. Put one fork, one third from the tip, under a Put one fork, one third from the tip, under a
fixture that will not move. Then operate the fixture that will not move. Then operate the
tilt control with caution until the rear of the tilt control with caution until the rear of the
truck lifts just off the floor. Follow the same truck lifts just off the floor. Follow the same
procedure with the second fork. Repeat procedure with the second fork. Repeat
Step a. Ste p a.
Replace as as necessary. necessary.
Maintenance Section Maintenance Section