Alamo HYDRO 15 - Manual (Page 11)

Section 1 - 3
HYDRO 15 (Service Manual) 09/06
© 2006 Alamo Industrial
SPECIFICATIONS - HYDRO 15 FLEX WING
General Specifications for Mower:
Tractor Horse Power Required........................................ 70 - 90 HP
Tractor PTO RPM......................................................... 540 RPM required
Mower Paint Colors....................................................... Alamo Yellow Std / Other Colors Optional
Mower Gross Weight..................................................... 4200 lbs. w/ Chain Guards (this can vary w/ wheel type)
Mower Tongue Weight................................................... Approx 2200 lbs w/ Wings lowered
Cutting Capacity........................................................... Grass & Up To 1-1/2" dia Brush (Max)
Mower Overall Length.................................................... 199" Front To Back
Mower Overall Width..................................................... 186.5" w/Wings Down & 96" w/ Wings Folded (this can
be affected by tire size, type, & wing axle adjustment)
Number Blade Carriers...................................................3 on 15 ft Model & 2 on 10 Ft Model
Cutting Width Options................................................... 15 Ft or 10 Ft Model
Over All Cutting Width... (15 Ft Model)................ 180" Center & Wings Overall Cutting Width
(10 Ft. Model)............... 124-1/2" Center & Wing Overall Cutting Width
Cutting Height............................................................... 2" Down to 15" Up w/ 700:15 Pneumatic Tires (Cutting
Height will vary with tire & Wheel sizes)
2" Down to 12" Up w/ 12" Tires (Cutting Height will vary
with tire & Wheel sizes)
Blade Carrier Cutting Width............................................ Center & Wing
Center Section.................................................. 69" (Carrier Cutting Width - Overlap)
Left Wing..........................................................63-1/2" (Carrier Cutting Width - Overlap)
Right Wing....................................................... 63-1/2" (Carrier Cutting Width - Overlap)
Blade Over Lap Between Wing and Center...........8" total overlap (4" center overlap & 4" Wing overlap)
Blade Carrier Options.................................................... Pan or Bar Carrier
Bar Carrier Size................................................ Bar Carrier - 1-1/4" X 6" Bar Size
Pan Carrier Size............................................... Pan Carrier - 3/16" thick X 2-1/2" high X 37-1/4" dia. pan
w/ 1-1/4" X 6" steel bar w/ cross bar brace.
Blade Carrier Mounting.................................................. Bolts Direct to Blade Spindle f/ Under Side
Bolts........................................ Qty 4
Type........................................ Allen Head Bolts
Torque..................................... 400 ft lbs
Installation............................... Use Thread Lock Compound
Lockwasher.............................. Qty 4
Blade Options.............................................................. Fan
Blade Size....................................................................1/2" thick X 3.5" wide X 22-1/4" long (measure blade
length from center of bolt hole to end of blade)
Blade Rotation.............................................................. CCW rotation Center & LH Wing, CW RH Wing
Blade Bolt Type............................................................ Bolt On W/ Locknut
Construction............................. Cold Forged and Hardened, w/ 1-1/8" square Shank,
Shoulder.................................. 1/2" High X 1-1/2" dia Shoulder, w/ 1" RH Thread,
Bolt Head................................. 2-7/16" Round Flat Head
Bushing....................................2" OD X 1-1/2" ID X 1-1/2" Long Welded into Blade Bar
Washer & Nut........................... 1" Structural Steel Flat Washer & Toplock Locknut
Torque......................................300 ft lbs
Blade Tip Speed............................................................Blade Tip Speed Based on Max Pressure & RPM
Center Section Blade Tip Speed......................... 18,262 FPM (Operating Speed)
Wing Section Blade Tip Speed........................... 13,194 FPM (Operating Speed)
Blade Spindle.............................................................. 1 On Center Section & 1 On Each Wing
Spindle Bearing Type........................................ Adjustable Roller Bearing Cup & Cone)
Spindle Seal..................................................... Replaceble Round Seal Bottom & Gasket Seal Top
Spindle Lubrication............................................ NLGI EP #2 Grease / Grease w/ Grease Gun
Spindle Bearing Preload (Required)..................... Adjustable (
12 to 15 in. lbs. of rolling resistance)