Crown Equipment Automobile MAX50 User Manual

50  
X
MA  
SPECIFICATIONS  
Cushion Tire Lift Trucks  
LPG and GAS  
3,000 – 3,500 LB CAPACITIES  
 
MAX50 CUSHION TIRE LIFT TRUCK SPECIFICATIONS  
GENERAL  
Power Type  
G15SHT-20  
Gasoline  
G18SHT-20  
Gasoline  
1
2
3
4
5
Operation Type  
Sit-Down  
Sit-Down  
Capacity @ 24 in. (600 mm) load center*  
Load distance from center axle  
Wheelbase  
lbs. (kg)  
in. (mm)  
in. (mm)  
3,000 (1,360)  
15 (382)  
3,500 (1,580)  
15 (382)  
48 (1,220)  
48 (1,220)  
WEIGHT  
60 Service weight (includes 2-stage std. mast & forks)  
lbs. (kg)  
lbs. (kg)  
lbs. (kg)  
lbs. (kg)  
lbs. (kg)  
6,230 (2,825)  
7,910 (3,590)  
1,311 (595)  
6,700 (3,040)  
8,640 (3,920)  
1,543 (700)  
Loaded  
Front  
Rear  
70 Axle Loading  
Unloaded Front  
Rear  
2,500 (1,135)  
3,730 (1,690)  
2,360 (1,070)  
4,340 (1,970)  
TIRE  
8
9
Tire type  
Cushion  
18 x 6 x 12-1/8  
14 x 4-1/2 x 8  
2x / 2  
Cushion  
18 x 6 x 12-1/8  
14 x 4-1/2 x 8  
2x / 2  
Tire size, front  
10 Tire size, rear  
11 Number of wheels, front / rear  
x=driven  
in. (mm)  
in. (mm)  
Front  
Rear  
32.1 (815)  
32.1 (815)  
12 Tread (center of tires)  
32.1 (815)  
32.1 (815)  
DIMENSIONS  
13 Tilting angle, 2-stage (FV) masts, forward / backward  
14 Tilting angle, 3-stage (TFV) masts, forward / backward  
15 Mast height, lowered (2-stage std. mast)  
16 Mast height, extended (2-stage std. mast)†  
17 Maximum fork height (2-stage std. mast)**  
18 Free lift height (2-stage std. mast)  
deg.  
deg.  
6 / 8  
6 / 8  
6 / 5  
6 / 5  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
83.5 (2,120)  
176 (4,470)  
128 (3,250)  
5.5 (140)  
83.5 (2,120)  
176 (4,470)  
128 (3,250)  
5.5 (140)  
19 Height overhead guard  
80.3 (2,040)  
121.9 (3,095)  
79.7 (2,025)  
38.2 (970)  
80.3 (2,040)  
123.2 (3,130)  
81.1 (2,060)  
38.2 (970)  
20 Length, with standard forks  
21 Length to fork face (2-stage mast)  
22 Overall width, at drive tires (single)  
23 Forks, thickness x width x length  
in. (mm) 1.6 x 4 x 42.1 (40 x 100 x 1,070) 1.6 x 4 x 42.1 (40 x100 x 1,070)  
24 Carriage width / ITA Class  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
in. (mm)  
37 (940) / II  
3.5 (89)  
37 (940) / II  
3.5 (89)  
25 Ground clearance, under mast  
26 Ground clearance, center of wheelbase  
27 Right angle stacking aisle (2-stage mast without load length & clearance)††  
28 Turning radius, outside  
4 (102)  
4 (102)  
84.7 (2,152)  
69.7 (1,770)  
85.9 (2,642)  
70.9 (1,800)  
PERFORMANCE  
29 Travel speed, forward, loaded / unloaded  
30 Lifting speed, loaded / unloaded (2-stage mast)  
31 Lowering speed, loaded / unloaded (2-stage mast)  
32 Maximum drawbar pull, loaded  
33 Maximum gradability  
mph (km/h)  
fpm (mm/s)  
fpm (mm/s)  
lbs. (kN)  
%
10.6 (17) / 10.6 (17)  
135 (685) / 138 (700)  
98 (500) / 98 (500)  
4,300 (19.1)  
10.6 (17) / 10.6 (17)  
135 (685) / 138 (700)  
98 (500) / 98 (500)  
4,300 (19.1)  
41  
37  
34 Service brake, operation / control  
35 Parking brake, operation / control  
36 Steering, type  
Foot / Hydraulic  
Hand / Mechanic  
FHPS  
Foot / Hydraulic  
Hand / Mechanic  
FHPS  
DRIVE  
37 Engine Manufacturer / Engine model  
Nissan / K21  
56 (41) @ 2,700  
116 (158) @ 1,600  
4 / 126 (2,065)  
6.6 (25)  
Nissan / K21  
56 (41) @ 2,700  
116 (158) @ 1,600  
4 / 126 (2,065)  
6.6 (25)  
38 Rated output (SAE Net)  
39 Maximum torque (SAE Net)  
40 No. of cylinders / displacement  
41 Fuel tank capacity  
HP (kW) @ rpm  
lb. − ft. (Nm) @ rpm  
cu. in. (cm3)  
U.S. gallons (liters)  
OTHER  
42 Relief pressure, maximum  
43 Transmission  
psi (bar)  
dB  
2,650 (181)  
Powershift  
84  
2,650 (181)  
Powershift  
84  
44 Sound level, at operator ears  
NOTE: Most values shown in this publication are rounded. Therefore, direct conversion between metric and English or Imperial may be slightly different from those  
shown. The performance of machines is affected by the condition of the truck and how it is equipped, as well as the nature and condition of the operating area. If  
these specifications are critical or if your needs exceed the specifications shown here, discuss the proposed application with your authorized dealer.  
*Optional masts, attachments, longer load dimensions, and higher lifting heights may result in downrating of the capacity. Contact your authorized dealer.  
**Other mast heights available. See MAST DATA chart for other standard mast heights. Contact your authorized dealer.  
†Includes 48-inch (1,220 mm) high load backrest. Contact your authorized dealer.  
††Add load distance and clearance. Contact your authorized dealer.  
 
MAX50 TRUCK DATA AND FEATURES  
Maximum Fork  
Height in. (mm)  
Mast Height  
Lowered in. (mm)  
Mast Height  
Extended in. (mm)  
Free Lift  
in. (mm)  
2-STAGE FREE VIEW (FV)  
82 (2,080)  
60.5 (1,535)  
72.5 (1,840)  
77.5 (1,970)  
83.5 (2,120)  
92.5 (2,350)  
130 (3,300)  
154 (3,910)  
164 (4,165)  
176 (4,470)  
194 (4,925)  
5.5 (140)  
5.5 (140)  
5.5 (140)  
5.5 (140)  
5.5 (140)  
106 (2,690)  
116 (2,945)  
128 (3,250)  
146 (3,705)  
3-STAGE FULL FREE VIEW (TFV)  
158.5 (4,025)  
73.5 (1,865)  
77.5 (1,965)  
83.5 (2,120)  
87.5 (2,225)  
95.5 (2,425)  
104.5 (2,655)  
206.5 (5,245)  
218.5 (5,550)  
236.5 (6,010)  
246.5 (6,260)  
264.5 (6,720)  
283.5 (7,200)  
25.5 (645)  
29.5 (750)  
170.5 (4,330)  
188.5 (4,785)  
35.5 (900)  
198.5 (5,040)  
39.5 (1,000)  
47.5 (1,205)  
56.5 (1,4355)  
216.5 (5,500)  
235.5 (5,980)  
NOTE: Custom masts available. Please consult your authorized dealer for information.  
• Spacious Step Area, Large Entry Handgrip  
and Wide-Open Floor Space allows easy  
entry/exit  
• Engine Protection System  
• ITA Class II Fork Carriage  
• ITA Class II Forks  
SPECIAL FEATURES  
STANDARD EQUIPMENT  
• EPA Tier II compliant K21 industrial engine  
with high torque at low RPMs for power  
and fuel efficiency  
• Dual floating structure uses drive-train  
cushion mounts and suspension compart-  
ment mounts to isolate the operator from  
engine and floor vibration  
• New low profile dash display –  
Fuel Gauge,Water Temperature Gauge  
and Hour Meter  
• Indicator lights – Neutral/Return to  
Neutral, Low Oil Pressure, Low Battery/  
Alternator, Hydraulic Lock (Operator  
Presence), Check  
• Critical Wiring Harness Connectors are  
Waterproof  
• Contoured, Easy-to-Grip, Hydraulic Control  
Lever Knobs  
• New full floating transmission with high-  
capacity oil cooler for the torque converter,  
aluminum alloy transmission case for better  
heat dissipation, and highly reliable, dust-  
resistant, double-sealed universal  
joint design  
• Self-adjusting brakes with thicker drums  
improves heat resistance in severe duty  
applications  
• Steer axle with integral double-acting,  
double-ended cylinder, high-capacity king-  
pin needle bearings, and heavy-duty seals  
• Mast with large visibility window, combined  
with low profile dash display, offers the  
operator an unrestricted view to the fork  
tips and surrounding area  
• Operator presence system locks out lift,  
lower, tilt and travel functions when the  
operator leaves the seat for longer than  
three seconds  
Engine Warning, Maintenance Error Code  
• Drawbar Pin in Counterweight  
• Electronic Ignition, Anti-Restart  
Ignition Switch  
• Fully Hydrostatic Power Steering  
• Long-Life Headlights (OHG Mounted)  
• LED Tail/Stop/Rear Turn Lights  
• High-Mount Air Intake  
• Horn with Actuator on Center of  
Steering Wheel  
• Three-Piece Overhead Guard  
• Comfortable Seat and Operator Restraint  
System with Lap Belt  
• Three-Function Hydraulic Control Valve  
• Parking Brake with Double-Action Release  
• Tilting Steering Column  
• Large, Open Floor Space with Operator  
Compartment Suspended-Mount Pedals  
Transmission Torque Converter Oil Cooler  
• Load Backrest  
OPTIONAL EQUIPMENT  
• Warning Lights & Audible Travel Alarms  
• Economy Mode Package  
• Tilt Cylinder Boots  
• Cotton-Core Radiator  
• Spinner Knob Steering Wheel  
• Dual-Fuel System  
• Optional Fork Lengths  
• Sideshifter – Hang-On or Integral  
• 4-W  
ay Valve and Internal Hosing  
• Special Tires  
• Full Suspension Seat  
• Fire Extinguisher  
• Attachments  
• Rear-view mirrors  
TECHNICAL DATA  
ENGINE  
• All engines utilize an ECCS that continu-  
ously monitors data from the fuel pressure,  
accelerator throttle position, mass air-flow  
sensor, and heated oxygen sensor – for  
improved fuel economy, smooth operation,  
reliable starting in cold weather, and high  
performance throughout the operating  
range. An electronic throttle governor pro-  
tects the engine against over-rev damage.  
• Crankshaft and camshaft position sensors  
provide information to the ECCS for optimum  
ignition and fuel injection timing. Each cylinder  
has an individual ignition coil for precise  
control and reliability.  
by automatically limiting engine speed  
during high-temperature operation. If the  
engine coolant temperature exceeds safe  
operation temperature, the engine will be  
shut down. An illuminated indicator on the  
instrument console indicates high-temper-  
ature operation, and gives the operator  
warning of engine shutdown.  
• The aluminum alloy cylinder head has large  
intake and exhaust valves and a semi-hemi-  
spherical combustion chamber for efficient  
fuel consumption.  
K21 (2.1 liter) gasoline/LPG, 4-cylinder,  
in-line engines with Engine Concentrated  
Control Systems (ECCS) exceed EPA emissions  
standards. These low-RPM, high-torque in-  
dustrial engines offer reduced maintenance  
requirements, exceptional emissions controls,  
fast acceleration, high performance, reliable  
durability and enhanced serviceability.  
• There are three engine fuel choices:  
gasoline multi-port fuel injection, LPG  
single-port (throttle body) fuel injection,  
or a dual-fuel system with easy switching  
at the flip of a switch. All engines are  
equipped with 3-way catalytic converters  
and closed-loop exhaust systems.  
• The engine block is designed with five main  
bearings. All main and rod bearings are  
micro-grooved to improve lubrication and  
reduce wear.  
• An engine coolant temperature sensor  
and controller protects the engine against  
damage due to high engine temperature  
 
TECHNICAL DATA  
TRANSMISSION  
• Comfort seat has built-in lumbar support,  
retractable seat belt, lateral restraint sys-  
tem, and fore and aft adjustment.  
• Hydraulic control levers are positioned for  
optimum access and ease of use. Inter-  
national symbols on the contoured grips  
indicate the function.  
• Tilting steering console has small-diameter  
steering wheel and electronic instrumen-  
tation. Tilt is infinitely adjustable, with  
extended room between the engine cover  
and console.  
• Wide-open floorboard has suspended  
brake and inching pedals with ribbed rub-  
ber pads for comfort and safety. Integral  
accelerator mechanism has a transfer roller  
for smooth operation.  
• Full-width rubber floor mat provides a  
large, non-slip surface and reduces noise,  
vibration and heat.  
FUEL SYSTEM  
Hamech single-speed, powershift transmis-  
sion is specifically designed for industrial  
applications.  
• Column-mounted electrical shift lever gives  
the operator easy directional control without  
removing a hand from the steering wheel.  
• Optimized stall ratio for torque converter  
provides high torque without sacrificing  
travel speed.  
• A modulating control valve absorbs initial  
pressure spikes during initial engagement  
and directional change. This improves shift-  
ing capabilities and prolongs the life of the  
entire drive train.  
Transmission oil is double-filtered by a 125-  
micron mesh on pickup, and a 35-micron  
cartridge on the return line.  
Gasoline, LPG, or Dual-Fuel systems are  
available. The gasoline fuel tank is integral to  
the truck frame.  
• In-tank mounted gasoline fuel delivery  
pump, fuel-level sensing unit, pressure  
regulator and filter are standard.  
• LPG fuel system uses single-point, throttle  
body fuel injection. A removable 33 lb.  
fuel tank is available with a fold back tank-  
mounting bracket.  
COOLING SYSTEM  
The high-capacity aluminum radiator is  
designed with an efficient thermal transfer  
fin and integral oil cooler for the transmis-  
sion torque converter.  
• High-volume cooling fan uses flexible plastic  
blades and shroud for maximum air volume  
and noise abatement.  
Transmission oil cooler is integral with  
the radiator.  
• Inching control and auxiliary brake pedal  
combination allows the operator precise  
truck positioning with positive control.  
• Open step in the frame with a traction  
surface and a large handgrip provide easy  
entry and exit for the operator.  
• Standard headlight/turn indicator control  
lever is mounted on the steering column  
for easy use.  
• Full-width overhead guard provides excel-  
lent visibility for high stacking and meets or  
exceeds ITSDF requirements.  
ELECTRICAL SYSTEM  
Standard instrument package and operator  
conveniences:  
• 12-volt electrical system  
BRAKES  
Hydraulic brakes are self-energizing and  
self-adjusting.  
• Brake fluid r  
eservoir is located under the  
console cover for fast, easy inspection and  
maintenance.  
• Heavy-duty brake backing plate and thick  
brake drum provide reliable braking action  
and reduced heat.  
• Mechanical parking brake has two-stage  
latching mechanism for positive engagement.  
• 50A alternator with built-in IC regulator  
• Key-lock, anti-restart ignition switch  
• High-torque, low-amp starter motor with  
planetary gear reduction  
• Waterproof electrical connectors  
• Electric fuel gauge, water temperature  
gauge, LCD hour meter  
• Indicator lights for Neutral/Return to  
Neutral, Low Oil Pressure, Low Battery/  
Alternator Output, Check Engine Warning,  
Hydraulic Lock (Operator Presence), and  
ECCS Status Code  
SERVICEABILITY  
The engine and transmission can be easily  
accessed for daily inspection without the use  
of any tools.  
• Single-piece, all-steel engine cover and  
seat support is fully insulated to reduce  
noise and heat transfer.  
STEER AXLE  
• ECCS Service Support Tool connector for  
rapid system diagnostics  
Fully Hydrostatic Power Steering is standard.  
• Heavy-duty fabricated steer axle has dou-  
ble-acting, double-ended power steering  
cylinder and no drag links or tie rods.  
• Steering stops are machined into the  
steering cylinder to reduce stress impact  
on steering linkages.  
• Engine cover has gas-filled cylinder with  
an automatic locking device to assist in  
opening and to prevent the cover from  
unexpectedly closing.  
• Engine cover is shaped for easy access  
into the engine area for maintenance  
and service.  
HYDRAULIC SYSTEM  
The Hydraulic System features an integral  
reservoir, direct drive gear pump and fully  
filtered system.  
• Large hydraulic fluid reservoir integral to  
the truck frame reduces heat buildup in  
the system.  
• Load sensing valve in the hydraulic circuit  
reduces the flow of oil to the power steer-  
ing system when steering wheel is idle.  
• Grease fittings on all linkages are acces-  
sible without lifting the truck.  
COMPLIANCE, APPROVALS AND  
ENVIRONMENTAL CONCERNS  
Designed for maximum recycling at end  
of life, with special attention to materials  
and construction. Counterweight designed  
for breakup during recycling process.  
Transmission case is recyclable aluminum.  
MAST, CARRIAGE, LBR AND FORKS  
High-visibility mast assembly has a 4-roller  
carriage that is available in two-, three-, and  
four-stage Free Lift, Free View designs.  
• Sealed bearings require no maintenance.  
• Angle-mounted bearings and a shaped rail  
flange prevent excessive wear and friction,  
while maintaining correct side thrust  
clearance.  
• ITA Class II carriages accept a variety of fork  
sizes and common load-handling attachments.  
• 48-inch-high load backrest is standard for in-  
creased load control and operator protection.  
• Single or double auxiliary hydraulic-function  
internal hose routing is available.  
FRAME  
An all-welded assembly with heavy-gauge  
steel and integral hydraulic and fuel tanks  
provide exceptional durability.  
• Welded front cross-member and bolted  
drive axle increase frame rigidity.  
• Loads are transferred directly from the mast  
to the drive axle and onto the floor without  
being transmitted through the frame,  
reducing frame stress.  
Hamech lift trucks meet or exceed  
American National Standard Institute,  
ITSDF B56.1-Part III Safety Standards for  
Powered Industrial Trucks.  
Compliant with UL 558 for the appropriate  
truck type. Contact your dealer for applica-  
tion-specific requirements. Meets or exceeds  
current EPA emissions standards.  
• Wide, open step is designed into the  
frame assembly without compromising the  
structure.  
OPERATOR COMPARTMENT  
A unique suspension compartment isolates  
the operator from the floor surface and from  
engine vibration, for greater operator  
comfort and productivity.  
DRIVE AXLE  
A heavy-duty, cast steel drive axle housing  
supports the load and chassis without placing  
a load on the free-floating axle shafts.  
A flange is mounted to the truck frame to  
improve load distribution and reduce  
frame flexing.  
 
In addition, you can count  
on Hamech for operator and  
service technician training,  
flexible maintenance programs,  
fleet management and  
financial services. Hamechs  
association with Crown also  
assures you of access to  
industry-leading electric lift  
trucks for complete  
Expect solid  
support nationwide  
Hamech, a brand of Crown  
Equipment Corporation,  
offers a comprehensive  
service support network for  
Hamech LPG, gas or diesel  
lift trucks.  
application flexibility.  
You can expect ongoing  
value with the comprehensive  
services available from your  
Hamech dealer. See it for  
yourself in state-of-the-art  
facilities stocked with  
Visit hamech.com for more  
information on the full line of  
Hamech IC lift trucks.  
products and parts  
inventories, advanced  
processes, equipment and  
tools. Its also apparent in  
the professionally trained  
service technicians and  
well-stocked service vans.  
Hamech Lift Trucks  
New Bremen, Ohio 45869 USA  
Tel 419-629-2311  
Hamech is a brand of Crown Equipment Corporation.  
Because Hamech is continually improving its  
products, specifications are subject to change  
without notice.  
Fax 419-629-3796  
Hamech and the Hamech logo are trademarks  
of Crown Equipment Corporation.  
Copyright 2008 Crown Equipment Corporation  
SF14896 03/08  
Printed in U.S.A.  
 

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