Haas VF Series Service Manual

1-15-96 96-8100
HAAS AUTOMATION, INC.
49
MECHANICAL SERVICE
SERVICE MANUAL
VF-SERIES
Fig. 3-2 Head casting area showing belt location
5. Remove the inspection cover from the bottom of the spindle head casting and carefully slide the drive belt between
the sump tank and the web in the casting.
6. First, pull the belt up over the spindle pulley, then push the other end down to clear the shifter and pull out.
NOTE: DO NOT bend or kink the belt in any way; damage to the fibers in the belt may result, and the belt will fail soon
after installation.
3.2 BELT INSTALLATION
1. For all VMC's except VF-0 (only one belt on VF-0's), slide the replacement belt(s) under the sump tank and onto the
pulley.
NOTE: DO NOT bend or kink the belt in any way; damage to the fibers in the belt may result, and the belt will fail soon
after installation.
2. Ensuring the belt is properly seated, push the transmission back, tightening the belt. Pull belt forward from rear of
head casting. Pull belt over spindle pulley.
3. Tighten the drive belt in accordance with the following section.
4. Set the spindle orientation in accordance with appropriate section.
NOTE: The following step is necessary only if the spindle or transmission was exchanged prior to belt replacement.
5. Double-check the spindle sweep to assure that nothing has moved during the previous steps. If sweep is within
tolerance, continue; if not, sweep must be readjusted.
NOTE: Drive belt tension must be adjusted after every installation.

Haas VF Series Specifications

General

Machine Type	Vertical Machining Center
Control	Haas CNC Control
Z-Axis Travel	20-30 inches (varies by model)
Y-Axis Travel	16 - 30 inches (varies by model)
Spindle Motor	20-30 hp (depending on model)
Tool Capacity	20-40 tools (varies by model)