Troubleshooting - Challenge MS-5 Instructions And Parts Manual

WARNING: DISCONNECT THE POWER AND LOCK IT OUT whenever working on the machine
unless the instructions specifically require the machine to be powered (see Power Lockout
Procedure,
for checking and adjusting. Be very careful that tools and other people are clear of moving parts, and
that the drill is not accidentally operated while adjustments are being made.
CAUTION: Whenever repairing hydraulic components, loosen connections slowly to bleed
off any trapped pressure.
Problem
1. No power
2. Lack of power
3. Spindle motor stalls
4. Table stroke won't adjust
16

TROUBLESHOOTING

page 4). Several of the following tests may require the machine to be operational
Area to Check
Power to machine
Main Disconnect Switch
Interlocking Guards
Fuse blown
Relief valve in pump may be bad
or have dirt in it.
Check oil level - may be low.
Check voltage at machine - may
be low.
Dull drills.
Check for low voltage.
Check drive pulley and belt for
tightness.
Check for paper plugging drills
Stroke Adjustment Chain off
sprockets.
Solution
Connect Power
Turn to ON position
Replace guards
Replace fuse - see fig. 2
Clean or replace relief valve or pump.
Add oil.
Remove other machinery on line or
provide a dedicated line.
Sharpen drills.
(See above).
(See SETUP INSTRUCTIONS in main
section for adjustment).
Clean out hollow drills - We recom-
mend cleaning and soaking drills in
oil overnight.
Remove back panel and replace
chain (fig. 10).
Table Lift Rod
F.300-B/MS-5 DRILL/JULY 2000
page 7
(fig. 10)