TM 5-3805-291-23-1
BRAKE SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0015 00
HYDRAULIC FAN SPEED TEST AND ADJUSTMENT
0015 00
WARN I N G
Rotating fan blades can result ininjury or death to personnel.
Stop engine and allow fan to co e to a complete stop before making any test or adjustment.
m
Before starting engine, make sure all finger guar s are installed securely. Do not allow any tools
d
or test equipment to protrude or vibrate into path of rotating fan blades.
Injury to personnel can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in hydraulicsystem after engine has stopped. Serious injury
can be caused if pressure is not released before service is done on hydraulic system.
Make sure all attachments have been lowered and ol is cool before removing components or lines.
i
Remove oil filler cap when the engine is stopped and filler cap is cool enough to touch with your
bare hand.
Sudden movement or accidental starting of machne can cause injury or death to personnel on or
i
near machine.
Before operating the machine,secure steering frame lock in stowed position. DO NOT operate
machine with steering frame lock connected. Failure to lock steering frame lock into stowed posi-
tion before operating can result in loss of steering and injury or death to personnel.
CAU T I ON
Care must be taken to ensure that fluids arecontained during performance of inspection, mainte-
nance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable
containers before opening any compartment or disassembling any component containing fluids.
Dispose of all fluids accordingto local regulations and mandates.
Machine Preparation
1.
Connect steering frame lock (1) (TM 5-3805-291-10).
N OT E
If piece of reflectiv tape is already
e
visible on one fan blade, proceed to
step 5.
Access to the fan blade is through
door on either side of the radiator
group.
2.
Ensure engine start switch is in OFF position (TM 5-
427-C0891
3805-291-10).
3.
Clean small area on surface of one fan blade.
4.
Attach reflective tape to fan blade so tape is completely visible.
5.
Place photo pickup (24) from indicator point kit into holder on magnetic base (25) and tighten screw. Attach magnetic
base to fan guard assembly (26).
