Click here to make tpub.com your Home Page

Page Title: SEAT SWITCH.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

6-61.
SEAT SWITCH.
holding mounting bracket (3) to truck and remove
assembly.
a.
Removal.
(5)  Remove cover screws (13), cover (12)
(1)  Remove valve cover (para. 6-30).
and gasket (14).
(2)  Disconnect and tag leads at switch (60,
b.
Installation. Reverse procedures in a. above.
(3)  Remove switch attaching screws, nuts
and lockwashers securing switch to bracket and remove
6-65.
CONTROL VALVE LEVERS AND LINKAGE.
switch.
a.
Removal.
(1)  Remove valve cover plate (para. 6-30).
b.  Installation. Reverse procedures in a. above,
(2)  Remove retaining rings (4, figure 7-20)
adjusting switch position up or down as required so that
securing connecting rods (6) to hoist (2) and tilt levers
it is just actuated as the operator's seat is fully lowered.
(1).
Loosen bracket screws to position bracket with attached
(3)  Pull out cotter pin (3) securing pin (5) in
switch for proper actuation and then tighten bracket
bracket (13) and pull out pin to release hoist and tilt
screws.
levers.
6-62.
TERMINAL RELAY.
(4)  Remove two screws (14), nuts (15) and
lockwashers (16) securing bracket (13) to truck and
remove bracket.
6-63.
Each motor is protected by a thermal relay
(5)  Remove cotter pins (l I) and clevis pins
which will open the motor circuit if overheating occurs.
(12) securing clevis (10) and connecting rods to control
When temperature sensed by the relay drops to a safe
valve.  If valve actuation is proper, note position of
operating value, the relay will automatically close.
sleeves
and
connecting
rod
devises
before
a.  Removal.
disassembling them from the connecting rods.
(1)  Remove
nut, lockwasher and clamp
(6)  Compress spring (22) turn disc (21) to
(figure 7-2) which fastens relay to motor and lift relay
release pin (23) and remove disc, spring and pin from
from motor.
bracket.
(2)  Scrap  sealing  compound  from  relay
(7)  Remove screws (25) securing spacer clips
terminals. Unsolder leads at terminals.
(24); remove spacer clips.
b.  Installation. Reverse procedures in a. above,
(8)  Remove screws (18), nuts (19) and
soldering leads to terminals with rosin flux and solder.
lockwashers (20) securing bracket (27) and switch
Avoid unnecessary heating of the relay while soldering.
actuator hinge (26); remove bracket and switch actuator
Coat terminals after soldering with silicone rubber
hinge.
sealing compound.
b.  Installation. Reverse procedure in a. above,
c.
Test.
adjusting position of sleeves (7) on connecting rods until
(1)  Test electrical continuity of relay between
control valve actuation is proper, then secure with
terminals with an ohmmeter or test light. Test at room
setscrews (8).
temperature.
(2)  If controlled temperature is available, test
6-66.
TILT CYLINDERS.
opening temperature of relay. It should open on rising
a.
Removal.
temperature at 224 degrees F. plus or minus 4 degrees.
(1)  Remove truck floor plate (para. 6-27).
6-64.
ACCELERATOR CONTROL CONTACT
(2)  Tag and disconnect hoses (2, 3, 4, 5,
ASSEMBLY.
figure 7-13) from tilt cylinders.  Cap hoses and plug
ports in cylinders (18, 19) to exclude dirt.
a.
Removal.
(3)  Support mast so it will not suddenly tilt on
(1)  Remove floor plate from truck (para. 6-
removal of tilt cylinders.
27).
WARNING
(2)  Disconnect Iinkage ball joint (I, figure 7-
If not supported the mast will fall forward when
11) and spring from operating lever (9).
the tilt cylinders are disconnected.
(4)
(3)  Disconnect wiring harness at connector
Remove screws (22) attaching pins to
(6).
brackets on truck frame and on uprights.
(4)
Remove screws (4) and lockwashers (5)
6-22

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business