Upright MX19 - Page 52

Switch Adjustments Section 2 - Service and Repair
Page 2-14 113101-000 MX15 / MX19 | Service Manual
E MERGENCY L OWERING V ALVE
WARNING
!
!
Never perform service while the platform is elevated without first blocking the elevating assembly.
DO NOT stand in the elevating assembly area while deploying or storing the maintenance brace.
Figure 2-9:
Emergency Lowering Valve
The Emergency Lowering Valve is
mounted on the lift cylinder. The
cable is routed with the power
cable along the elevating assem-
bly tubes.
R EPAIR
1. Deploy the maintenance brace
(see “Blocking the Elevating
Assembly” on page 2-6).
2. Inspect the cable. Replace if
damaged.
3. Inspect the valve. Replace if
damaged.
4. Check for and clear any block-
age in the orifice. Install the ori-
fice with the beveled side toward
the cylinder block.
5. Adjust the valve.
• At the cable mount, adjust the
cable cover to stop the inner
cable when the valve is fully
open.
6. Store the maintenance brace
and lower the platform.
7
1
5
2
3
4
6
4
1. Cylinder Block
2. Spring
3. Orifice
4. Valve Assembly
5. Cable Mount
6. Cable