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 5-127
DISASSEMBLY AND INSPECT ION
WARNING
THE TILT LOCK VALVE SERVES AS A SAFETY
DEVICE ON THE MACHINE. ANY TAMPERING
WITH THE VALVE BY UNQUALIFIED PERSONNEL
COULD LEAD TO A SERIOUS ACCIDENT.
NOTE
The spool assembly is available as an
assembly only, not as individual parts.
Avoid disassembly of tilt lock valve
STEP 1.
plugs unless visible leakage or
malfunction makes overhaul necessary.
Remove spool cap and discard seal.
Remove spool assembly, spool return
STEP 2.
spring and stroke stop from valve body.
Inspect threads of cap and body for any
STEP 3.
scratches or nicks which could leak;
use proper light source to check inside
body cavity. Check spool major diameter
for distortion or damage.
Fig. 13545
Check spool return spring and stroke
STEP 4.
stop against specifications, and inspect
for distortion or unusual wear. Replace
as necessary.
If trouble seems to be in the spool,
STEP 5.
remove inner snap ring (Fig. 13545) and
disassemble and inspect plug spring and
CAUTION
ball, as well as the inside cavity of
t h e spool.
USE GREAT CARE DURING DISASSEMBLY
NOTE
NOT TO SCRATCH OR DAMAGE SURFACES
If any part of the spool is damaged,
INSIDE VALVE,
replace entire spool assembly as a unit.
5-94
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