Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Service &
Adjustment
Manual
SM 538
NS/NP 246 (P.M.)
Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
SERVICE MANUAL
SM538
NP/NS 300 C&D
CONTENTS
GROUP
FOREWORD
HOW TO USE THIS MANUAL
PICTORIAL INDEX
SAFETY AND OPERATIONAL CHECKS
RECOMMENDED PLANNED MAINTENANCE
AND LUBRICATION SCHEDULE
SAFETY SIGNS AND MESSAGES
USER SAFE MAINTENANCE PRACTICES
GROUP
PM Planned Maintenance Program
12 Battery Handling and Care
13 Accelerator Control
16 Electric Motor general maintenance
16 Drive motor
16 Lift Pump Motor
16 Steer Pump Motor
19 SCR Control ,Test, Equip., Proceedures
19 SCR, Symptom Charts
19 Control Panel
20 Drive Unit
22 Wheels and Tires
23 Brake
25 Caster Adjustment
26 Steering System
26 Power Steering Pump
29 Hydraulic Lift Pump
30 Main Hydraulic Valve
32 Tilt Cylinder Model C
32 Reach Cylinder Model C
32 Lift Cylinder Model D
32 Tilt Cylinder NP D
32 Tilt Cylinder NS D
32 Reach Cylinder NP D
34 Upright Removal Model C
34 Upright Maintenance Model C
34 Upright Lift Cylinder Model C
34 Pantograph Model C
34 Upright Removal Model D
34 Upright Maintenance Model D
34 Pantograph NP D
38 Machine Jacking & Blocking
40 Truck Data, Specifications
SM538 i
PAGE
ii
. . .
III
iv
V
vi
vii
. . .
VIII
PAGE
PM-l
12-01-l
13-01-l
16-01-l
16-02-o
16-03-l
16-04-l
19-02-l
19-03-l
19-04-l
20-01-l
22-01-l
23-01-l
25-01-l
26-01-l
26-02-l
29-01-l
30-01-l
32-01-l
32-02-l
32-03-l
32-04-l
32-05-l
32-06-l
34-01-l
34-02-l
34-03-l
34-04-l
34-05-l
34-06-l
34-07-l
38-02-i
40-02-l
Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
FOREWORD
Clark Equipment Company welcomes you to the growing group of professional
people who own, operate and maintain Clark lift trucks. This manual will familiarize you
with service maintenance and overhaul information about your new truck. It has been
especially pre