M0290-01Model 4900
2-8 Rev. 8/19
TM
Machine Operation
Vacuum meter equipped planters require a 1¾"-20 spline 1000 RPM PTO to operate PTO-driven two section hydraulic
pump capable of supplying 15 gpm (56.8 Lpm) to two hydraulic motors/vacuum fans.
NOTE: A tractor model-specific mount kit is required for the PTO-mounted pump.
Contact
Command Hydraulics (800-778-6200 or
www.commandhydraulics.com)
for your tractor pump mount
requirements.
Vacuum Seed Metering System operates from an 8 gal
(30.3 L) capacity oil reservoir.
NOTE: Check that open center plug is removed from fan
block before operating.
Other dual fan system components include one oil cooler, one
replaceable cartridge-type filter, two high pressure filters, and
two pressure compensating flow-control valves.
Vacuum Fan Block
TRACTOR PREPARATION AND HOOKUP
1. Back tractor to planter and connect with minimum 1¼" diameter hitch pin or 2 point hitch. Make sure hitch pin is
secured with a locking pin or cotter pin if tractor is not equipped with a hitch pin locking device or 2-point hitch.
NOTE: DO NOT install safety chain using clevis mounting hardware. Safety chain MUST be installed separately.
2. For planters with drawbar hitch, safety chain must be used to keep planter and tractor connected in case of a hitch
pin/drawbar failure. Attach safety chain at an unused clevis mounting hole on the planter hitch. Torque hardware to
840 ft-lb (1138.8 N-m).
Fan block
Model 4900 24 Row Planter
(24 Row Planters Require 2 Chains)
Model 4900 Planter 12 and 16 Row Planter
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