Discovery QDR Series Technical Manual
6-12
6.15 Oil leakage
If the tank assembly is leaking oil, you may have to tighten the screws on the tank cover. It
is important that you tighten the screws using the proper torque specifications and the
proper sequence.
6.15.1 The Torque Specifications
The torque settings are listed in the following table:
6.15.2 Tank Top Cover Components and Screw Location
The following figure shows the Tank Top Cover and the locations of the seals:
Laser
crosshair
beam is
defective
Check laser block assembly mirrors for breaks, cracks, or misalignment
Check that shutter is open
Check that aperture is unobstructed
Loosen the securing screw to adjust the laser to perpendicular (see Figure 5-
10)
Laser does
not turn off
Check laser button on Control Panel
Check control panel laser switch at PANEL tests in SQVERIFY
Check for bad:
C-arm Interface Board
Distribution Board
Interconnect cable
Computer assembly
Location Torque Specifications Set wrench to…
Lexan Cup 10-12 in-lb 11 in-lb
Bladder Gasket 10-12 in-lb 11 in-lb
Transformer Seal 70 in-lb 70 in-lb
Tank Cover Gasket 36-40 in-lb 38 in-lb
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